Building & Construction Toys
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Dissolved Oxygen Meter, Professional Digital Pen Type Dissolved Oxygen Test, 0.0-40.0mg/L Dissolved Oxygen Detector for for Aquarium, Aquaculture

• 【Accurate And Stable】With automatic temperature compensation function, the temperature of the solution can be automatically compensated for 0-40℃, and the reading is accurate and stable.
• 【Pen Type Dissolved Oxygen Meter】Small pen-shaped design, light and easy to move, you can test water anywhere to get the purest water.

Fishawk Dissolved Oxygen Meter, Professional Digital Dissolved Oxygen Do Meter, Portable Water Quality Tester for Aquaculture Fish Pond, Handheld Smart Meter, 0-20mg/L, ±0.3 Mg/L

• Dissolved oxygen detector, adopts a plastic shell, which is durable and corrosion‑resistant.
• Equipped with dots type backlit LCD display, easy to measure and use.

Dissolved Oxygen Meter, 0.0‑40.0mg/L Resolution Portable Professional Digital Manual Water Quality Tester Economy Pocket DO Temperature Tester Pen with Backlight Screen for Labs, Marine Aquaculture

DO9100 Portable Dissolved Oxygen Meter, 0.0-40.0mg/L, Support Single Point or 2 Point Automatic Calibration, Digital Display DO Meter Water Quality Monitor with Temperature Detector(Standard)

• [ACCURACY INSTRUMENT] DO9100 is an accuracy instrument for measuring dissolved oxygen and temperature. With built in microcomputer processor to calculate and compensate all measurement data related to dissolved oxygen and temperature.
• [PROBE] A membrane with a polarographic sensor and a thermistor for temperature measurement and temperature compensation. The permeable membrane separates the measured solution from the sensing electrode and allows oxygen to pass through the membrane to react.

Dissolved Oxygen Meter, Oxygen Analyzer, Water Quality Monitor, Freshwater Aquarium Test Kit, Digital Dissolved Meter, DO Range: 0.0‑40.0mg/L Oxygen Concentration

• AUTOMATIC TEMPERATURE COMPENSATION-----This dissolved oxygen meter with automatic temperature compensation, our product ensures precise and consistent readings regardless of the solution temperature (0-40 ℃).
• HIGH ACCURACY AND FAST RESPONSE----Experience fast and accurate testing results. This dissolved oxygen test kit can test liquids ranging from 0.0-40.0mg/L, providing you with reliable data in no time.

Fyearfly Digital Pen Type Dissolved Oxygen Analyzer, Dissolved Oxygen Meter Digital Dissolved Oxygen Analyzer 0.0-40.0mg/L Concentration Tester for Swimming Pools, Dolc Water Aquaculture

• 【Automatic Temperature Compensation】With automatic temperature compensation function, the temperature of the solution can be automatically compensated for 0-40℃, and the reading is accurate and stable.
• 【Lightweight Pen Type Meter】Small pen-shaped design, light and easy to move, you can test water anywhere to get the purest water.

Dissolved Oxygen and Temperature Meter, Portable Digital Dissolved Oxygen Meter, 0.0-40.0mg/L, 0.1 mg/L Resolution, Dissolved Oxygen DO Meter for Aquarium Lab Swimming Pool(Back Light)

• [Accuracy Instrument] DO9100 is an accuracy instrument for measuring dissolved oxygen and temperature. With built in microcomputer processor to calculate and compensate all measurement data related to dissolved oxygen and temperature.
• [Probe] A membrane with a polarographic sensor and a thermistor for temperature measurement and temperature compensation. The permeable membrane separates the measured solution from the sensing electrode and allows oxygen to pass through the membrane to react.

SRFDD Pinless Wood Moisture Meter，Digital Moisture Meter with 10 File Wood Density Selection for Wood Building Material Firewood Walls Paper Floor

• Using high frequency electromagnetic wave induction measurement.
• Digital large screen LCD monitor.

SANON Water Quality Tester, ORP-969 Redox Meter ORP Tester Portable Digital Water Quality Tester Pen for Drinking Water, Aquarium, etc

Dissolved Oxygen Accessory,DO9100 Dissolved Oxygen Meter with Temperature Detector, Portable Digital Smart Meter for Aquarium Swimming Pool(Standard (Without Backlight))

• [Accuracy Instrument] Dissolved oxygen meter is a instrument for measuring dissolved oxygen and temperature. The dissolved oxygen probe is a thin film with a polarographic sensor and a thermistor for temperature measurement and temperature compensation. The permeable membrane separates the measured solution from the sensing electrode but allows oxygen to pass through the membrane to , and the concentration can be measured.
• [Probe] Dissolved oxygen refers to the concentration of molecular oxygen dissolved in water, generally expressed in mg/L (ppm) and saturation percentage (%), which is the percentage of dissolved oxygen in 1L of water. The oxygen concentration of our dissolved oxygen meter is 0.0-40.0mg/L, most of the range of dissolved oxygen meters on the market is 0.0-20mg/L. When measuring and calibrating, needn't open the protective cover of the electrode, just put the electrode in the solution for

REDCAMP Lacrosse Rebounder for Backyard, 6 x 4 Feet Baseball Back Net Practice Volleyball Rebounder, Pitch Back Baseball Rebounder fits for Volleyball, Softball and Tennis Training

• 【Durable Mental Construction】With durable 1in./25mm iron tubes, the 48x48x72in./ 120x120x180cm frame of our lacrosse rebounder is tough enough to stand hard hits!
• 【5Adjustable Positioning】Our tennis rebounder can be adjusted into 5 attack angles, so that you are able to have the right slant to practice your overhand easily. Plunger bolt technology protects your fingers from being pinched when you adjust the rebounder.

Hibtn Rebounder Net 150/100/75cm All Angle Bounce Back Net Kids Adults Soccer Football Baseball Rebounder Net Training Practice Pitching, Catching, Throwing, Fielding - Adjustable Angles

• Trainer: Made of 32mm steel pipe and PE mesh. This trainer has top-notch durability and can be used in large quantities year after year
• Built with a sturdy steel frame, it provides unwavering strength and stability during high impact training. Our frame is made of powder coated steel, which further strengthens it, protects it from weather factors, and ensures long-lasting performance

Precision Hand-held Rebounder, black, one size, K-REY-TR430

• Precision Hand-Held Rebounder

HOMCOM Rebounder Net Kids Adults Soccer Football Game Spot Baseball Softball Training Aid Practise Target Strike Shot Goal Play

• PRIVATE TRAINING NET: Great for improving your confidence away from the pitch, improving your hitting and throwing skills and building strength
• STURDY FRAME: Made from powder-coated steel for reliability over the years, Adjustable back to change angle and height, Stakes including for extra stability to the ground

Indoor Hole Ball, 40 Holes High Bounce Durable Balls | Outdoor Toys for Ball Lovers, Ball Game Play Set, Backyard Toys, Sport Toys for Man Women

• ✪Selected Material : Made of rotomolded molding process, these hole balls are durable and resist cracking, so you can use them on any court for a long time. They also retain their shape and bounce, thanks to the durable material that is not easy to deform.
• ✪Lively Color : Our hole ball set is brightly colored to give you a clear view of the ball in any light conditions, so you can respond quickly and enjoy a lively game.

Huaxingda Indoor Hole Ball - 40 Holes High Bounce Durable Balls,Outdoor Toys For Ball Lovers, Ball Game Play Set, Consistent Bounce Outdoor Picklebal Balls, Sport Toys For Man Women

• ≸Durable Material: Crafted with rotomolded molding process, these hole balls can wear and tear, resisting any likewithstand lihood of cracking. Perfectly suitable for any court, its durable material ensures it retains shape and bounces for a long time without any deformation, guaranteeing long-lasting performance.
• ≸Lively Color: Our hole ball set is brightly colored to give you a clear view of the ball in any conditions, so you can respolight nd quickly and enjoy a lively game.

campMax Baseball Pitchback Rebounder Net, Adjustable Softball Cricket Rebound Net,Foldable Football Training Net for Throwing and Pitching Practice,180cm*110cm

• Adjustable Angle: The baseball training net has 4 angles to choose from, you can choose different inclinations for practice. The triangular structure between the brackets is more stable, and the maximum supporting width can reach 63in./160cm.
• Convenient & Foldable: An installation manual is included in the package, reducing your time to install the pitching net, allowing you to use it in the shortest possible time. It also folds up easily for easy storage in a gap in the house or garage.

HOMCOM Rebounder Net Playback Game Spot Target Ball Rebounders Training Equipment Play Teaching

• PRIVATE TRAINING NET: This stand rebounder net ideal for practicing baseball, you can practice to enhance passing, and shooting skills on your garden, backyard, patio with friends for enjoy moment.
• DURABLE CONSTRUCTURE: Made from high quality power-coated steel frame and strong PE net, with J-shape stakes and sturdy construction can bear intense impact.

Jaxenor Fishing Assisted Thrower - Increase Your Casting Distance with Ease

• High Quality Material: Made of durable ABS plastic, wear-resistant and environmentally friendly. Available in four colors.
• Practical Design: Drain holes reduce water resistance and increase casting distance. Compact and easy to use.

Women's T-Shirt Top Women's T-Shirt Blouses & Tunics for Women Sexy Clothes Elastic Plain Women's Knitted Coat with Crew Neck and Short Sleeves T-Shirt Large Sizes, pink, XL

• Please note: washing recommendations for basic tops with V-neck for women: hand wash / machine wash at low temperature / do not bleach / hang or line dry to increase the durability of your clothes.
• Excellent after-service, we take all care of our customers to provide you with the best online shopping experience. If you are worried that the size of the shirt does not fit you and the colour does not correspond to the picture, there are imperfections you want the tops no longer and guaranteed

REDCAMP Lacrosse Rebounder for Backyard, 6 x 4 Feet Baseball Back Net Practice Volleyball Rebounder, Pitch Back Baseball Rebounder fits for Volleyball, Softball and Tennis Training

• 【Durable Mental Construction】With durable 1in./25mm iron tubes, the 48x48x72in./ 120x120x180cm frame of our lacrosse rebounder is tough enough to stand hard hits!
• 【5Adjustable Positioning】Our tennis rebounder can be adjusted into 5 attack angles, so that you are able to have the right slant to practice your overhand easily. Plunger bolt technology protects your fingers from being pinched when you adjust the rebounder.

Hibtn Rebounder Net 150/100/75cm All Angle Bounce Back Net Kids Adults Soccer Football Baseball Rebounder Net Training Practice Pitching, Catching, Throwing, Fielding - Adjustable Angles

• Trainer: Made of 32mm steel pipe and PE mesh. This trainer has top-notch durability and can be used in large quantities year after year
• Built with a sturdy steel frame, it provides unwavering strength and stability during high impact training. Our frame is made of powder coated steel, which further strengthens it, protects it from weather factors, and ensures long-lasting performance

Precision Hand-held Rebounder, black, one size, K-REY-TR430

• Precision Hand-Held Rebounder

HOMCOM Rebounder Net Kids Adults Soccer Football Game Spot Baseball Softball Training Aid Practise Target Strike Shot Goal Play

• PRIVATE TRAINING NET: Great for improving your confidence away from the pitch, improving your hitting and throwing skills and building strength
• STURDY FRAME: Made from powder-coated steel for reliability over the years, Adjustable back to change angle and height, Stakes including for extra stability to the ground

Indoor Hole Ball, 40 Holes High Bounce Durable Balls | Outdoor Toys for Ball Lovers, Ball Game Play Set, Backyard Toys, Sport Toys for Man Women

• ✪Selected Material : Made of rotomolded molding process, these hole balls are durable and resist cracking, so you can use them on any court for a long time. They also retain their shape and bounce, thanks to the durable material that is not easy to deform.
• ✪Lively Color : Our hole ball set is brightly colored to give you a clear view of the ball in any light conditions, so you can respond quickly and enjoy a lively game.

Huaxingda Indoor Hole Ball - 40 Holes High Bounce Durable Balls,Outdoor Toys For Ball Lovers, Ball Game Play Set, Consistent Bounce Outdoor Picklebal Balls, Sport Toys For Man Women

• ≸Durable Material: Crafted with rotomolded molding process, these hole balls can wear and tear, resisting any likewithstand lihood of cracking. Perfectly suitable for any court, its durable material ensures it retains shape and bounces for a long time without any deformation, guaranteeing long-lasting performance.
• ≸Lively Color: Our hole ball set is brightly colored to give you a clear view of the ball in any conditions, so you can respolight nd quickly and enjoy a lively game.

campMax Baseball Pitchback Rebounder Net, Adjustable Softball Cricket Rebound Net,Foldable Football Training Net for Throwing and Pitching Practice,180cm*110cm

• Adjustable Angle: The baseball training net has 4 angles to choose from, you can choose different inclinations for practice. The triangular structure between the brackets is more stable, and the maximum supporting width can reach 63in./160cm.
• Convenient & Foldable: An installation manual is included in the package, reducing your time to install the pitching net, allowing you to use it in the shortest possible time. It also folds up easily for easy storage in a gap in the house or garage.

HOMCOM Rebounder Net Playback Game Spot Target Ball Rebounders Training Equipment Play Teaching

• PRIVATE TRAINING NET: This stand rebounder net ideal for practicing baseball, you can practice to enhance passing, and shooting skills on your garden, backyard, patio with friends for enjoy moment.
• DURABLE CONSTRUCTURE: Made from high quality power-coated steel frame and strong PE net, with J-shape stakes and sturdy construction can bear intense impact.

Jaxenor Fishing Assisted Thrower - Increase Your Casting Distance with Ease

• High Quality Material: Made of durable ABS plastic, wear-resistant and environmentally friendly. Available in four colors.
• Practical Design: Drain holes reduce water resistance and increase casting distance. Compact and easy to use.

Women's T-Shirt Top Women's T-Shirt Blouses & Tunics for Women Sexy Clothes Elastic Plain Women's Knitted Coat with Crew Neck and Short Sleeves T-Shirt Large Sizes, pink, XL

• Please note: washing recommendations for basic tops with V-neck for women: hand wash / machine wash at low temperature / do not bleach / hang or line dry to increase the durability of your clothes.
• Excellent after-service, we take all care of our customers to provide you with the best online shopping experience. If you are worried that the size of the shirt does not fit you and the colour does not correspond to the picture, there are imperfections you want the tops no longer and guaranteed

Mastering Delphi: A Comprehensive Guide to Professional Programming

Mastering Delphi Programming: A Complete Reference Guide: Learn all about building fast, scalable, and high performing applications with Delphi

Masterminds of Programming: Conversations with the Creators of Major Programming Languages (Theory in Practice (O'Reilly))

Mastering Delphi: Building Real-World Applications

Mastering Delphi XE2: Building a Strong Foundation

Mastering Delphi Graphics and Multimedia

The Story Of Seventeen Blue Crane Orchids

Mastering Delphi GUI Programming with FireMonkey: Creating Effective and Polished User Interfaces for Every Platform

Mastering Delphi: Building Powerful Mobile Apps for iOS and Android

Mastering Delphi High Performance: Creating Lightning-Fast Applications with Concurrency, Parallel Programming, and Memory Management