4 D Battery Holder

This 4 D Battery Holder is perfect for those who need a reliable and sturdy way to hold their batteries. It can hold 4 D size cells in a 2x2 arrangement connected in series in order to create 6 volts (while individual cells are 1.5 V each). The color coded connection wires are 15 cm (about 6 inches) long and they are stripped and tinned 4mm on ends. The overall size is 134mm x 74mm x 32mm and it has 10 screw holes at the bottom. This wholesale battery holder is a great option for those who need to power their devices with 6 volts.

4AA Battery Holder With Leads Wires (Square)

This plastic battery holder is designed to hold 4 AA batteries in series, with a center divider and curved side walls for a secure hold. It features two screw holes at the bottom for easy mounting and red and black wire leads that are approximately 6 inches long, stripped and tinned 5 mm. The holder is clearly marked for battery size and placement direction.

Key Features:

• Holds 4 AA batteries in series
• Clearly marked for battery size and placement direction
• Curved center divider and side walls for secure hold
• Two screw holes and flat bottom for easy mounting
• Stripped and tinned 5 mm wire leads

Product Specifications:

Similar Products:

• AA Battery Holder (2 Pack)
• 4 x AA Battery Holder with Switch
• 4 x AA Battery Holder with Cover and Switch
• 4 x AA Battery Holder with Cover and On/Off Switch
• 4 x AA Battery Holder Enclosed with Switch

Note: These are similar products, and each product is different, so research is required to find the best fit for your needs.

Perfect for:

• DIY electronics enthusiasts
• Electronic hobbyists
• Students studying electronics
• Professionals in the electronics industry

512 Hz Steel Tuning Forks

These 512 Hz Steel Tuning Forks are expertly crafted from forged steel, designed for precision in musical tuning. Featuring a plain shank form for ease of use, each fork is stamped with the musical scale note and frequency, offering reliability and aesthetic appeal with chrome/blue plating.

Key Features

• Forged steel construction for durability
• Precisely calibrated to 512 Hz for accurate tuning
• Chrome/blue plated for aesthetic and protective finish
• Stamped with musical scale note and frequency
• Varying lengths to suit different musical needs

Product Specifications

Similar Products

• Silver-plated, 440 Hz musical fork
• Black finish, 528 Hz healing fork
• Gold-toned, 4096 Hz crystal tuner
• Wooden handle, 256 Hz C note fork
• Aluminum alloy, 341.3 Hz middle C fork

6" Scalpel - General Dissection

The 6" Scalpel - General Dissection is a versatile tool used for various surgical procedures. Its sharp blade and comfortable grip make it an ideal choice for dissection and other general surgical tasks. This scalpel is made with high-quality materials, ensuring durability and precision. Whether you are a medical professional or a student, this scalpel is a must-have in your toolkit.

12 Volt Ac, 40Va Plug-In Transformer

This AC transformer is a must-have for anyone who needs to convert their 120 volts AC power into 12 volts AC power. With a 60Hz frequency and 50W power input, this 12V plugin type transformer is perfect for a variety of applications. Whether you need to power a small electronic device or a larger piece of equipment, this plug-in AC transformer is up to the task. Its compact size makes it easy to transport and store, while its durable construction ensures that it will last for years to come. Don't settle for anything less than the best - choose the 12 Volt Ac, 40Va Plug-In Transformer for all of your power needs.

Portable AC Transformer - 120V to 9V

If you're looking for a portable AC transformer that can convert 120 volts AC to 9 volts AC, then this product is perfect for you. This transformer is designed to be used in indoor or dry locations only, so you can use it with confidence knowing that it's safe and reliable. With a primary input of 120V 60Hz 0.23A and a secondary output of 9V 20Va AC, this transformer is powerful enough to handle a variety of applications. Whether you need to power small electronic devices or lighting fixtures, this transformer is up to the task. Don't settle for less when it comes to your power needs - choose this portable AC transformer for your next project.

Equilateral Acrylic Prism

An acrylic prism with 25 mm legs and 150 mm height for experiments in dispersion and refraction of light. A perfect tool for optics experiments.

General Information

The Equilateral Acrylic Prism is a transparent optical element used for experiments in optics. It has flat, polished surfaces that refract light, making it ideal for experiments in dispersion and refraction of light. It is made of durable acrylic, making it a reliable tool for use in classrooms, research labs, and other settings. Its equilateral shape, with 25 mm legs and 150 mm height, is perfect for conducting a wide range of experiments.

Key Features

• Equilateral shape for easy use in experiments
• 25 mm legs and 150 mm height for versatility in experiments
• Durable acrylic construction for reliable use
• Perfect for conducting experiments in dispersion and refraction of light
• Ideal for use in classrooms, research labs, and other settings

Product Specifications:

Similar Products:

• Optical Glass Prism with Triangular Base
• Optical Glass Prism with Rectangular Base
• Equilateral Glass Prism
• Right Angle Prism
• Acrylic Optical Prism

Perfect for science classrooms, research labs, and anyone interested in conducting experiments in optics and light.

Acrylic Prism, Equilateral - 25X100

This Acrylic Prism, Equilateral - 25X100 is perfect for experiments in dispersion and refraction of light. Made of high-quality acrylic, it features an equilateral triangle base and 100-mm length. With free shipping and a minimum order quantity of 2, this prism is a great addition to any science classroom or lab. And if you need to order in bulk, additional discounts apply to orders of 10 or more. Don't miss out on the opportunity to enhance your scientific experiments with this top-quality acrylic prism.

Acrylic Prism, Equilateral - 25X25

Acrylic Prism, Equilateral - 25X25 is a high-quality prism made from acrylic material that is designed for experiments in dispersion and refraction of light. With 25-mm sides, this prism is perfect for students and professionals who are conducting experiments in the field of optics. It comes with free shipping and a minimum order quantity of 4. Additional discounts apply to orders of 10 and more. Add this Acrylic Prism to your collection and experience the wonders of light.

Acrylic Prism, Equilateral - 25X75

Introducing the Acrylic Prism, Equilateral - 25X75, a high-quality prism made from durable acrylic material. This prism is designed with an equilateral shape, measuring 25X75, making it perfect for a variety of scientific and educational applications. Whether you're exploring the properties of light or studying the principles of optics, this prism is an essential tool for any laboratory or classroom. Its clear and transparent design allows for easy observation and analysis, while its sturdy construction ensures long-lasting use. Don't miss out on this versatile and reliable prism for your next experiment or project.

Advanced Air Saltwater Battery Kit

The Advanced Air Saltwater Battery Kit is the long-life version of the standard air/saltwater battery. This kit contains four flat magnesium electrodes and four iron electrodes, as well as connecting wires, a multimeter, and a super bright LED. With this kit, you can perform the air/saltwater battery experiment and demonstrate the production of electricity for more than 24 hours.

You can repeat your experiments with the same set of materials at home and in school for a total of 24 hours or more. However, please note that you will need additional materials including a plastic container, saltwater, and hydrogen peroxide (optional).

It's important to note that magnesium is a flammable metal, and remaining salt water may contain hazardous materials. Therefore, it's important to avoid eye contact and skin contact with the remaining saltwater. Instructions for this kit are available online.

If you're looking for a high-quality air/saltwater battery kit that offers advanced features and long-life performance, the Advanced Air Saltwater Battery Kit is an excellent choice. With its essential materials and easy-to-follow instructions, this kit is perfect for anyone interested in learning about electricity and renewable energy sources.

Advanced, Illuminated Pocket Microscope (100X)

This Handy Pocket Microscope has all the features of a small pocket microscope plus the features of a more advanced desktop microscope. It is perfect for those who need a portable and high-quality microscope for their work or hobbies. The microscope has a 100X magnification and an 8X slide-in magnifier. The built-in light shines directly on the object for easy viewing and incredible details. The high-quality design includes an adjustable rotary focusing knob and a sturdy stand that lets you position the microscope at the perfect angle. Whether you're a scientist, a student, or a hobbyist, this Advanced, Illuminated Pocket Microscope is a must-have tool for your collection.

Product Specifications:

Similar Products

• Compact Pocket Microscope (60X)
• Illuminated Handheld Microscope (200X)
• Desktop Digital Microscope (500X)
• Portable USB Microscope (1000X)
• Wireless Digital Microscope (50X-1000X)

CAUTION: Do not look directly into the built-in light of the Advanced, Illuminated Pocket Microscope (100X) as it may cause eye damage.

Perfect for:

• Science enthusiasts
• Students
• Researchers
• Professionals in the field of biology or chemistry
• Microscope collectors
• Individuals who enjoy exploring the world around them

Air Propelled Model Car Kit

This project is an electric circuit and practical use project. Using air to propel the car eliminates the need for complex components such as gears, chains, belts, and pulleys. The motor and propeller create air currents that push the car forward.

Key Features

• Air propelled movement
• Electric circuit project
• Includes almost everything needed to complete project

Product Specifications:

Similar Products

• Electric Motor Kit
• DIY Circuit Kit
• Wooden Car Model Kit
• Propeller Model Kit
• Air-Powered Boat Kit

Perfect for high school students and technology enthusiasts looking to learn about air propulsion and electrical circuitry in a fun, hands-on way.

Airsaltwater Battery Kit

The Airsaltwater Battery Kit is a unique and innovative product that allows you to power a light bulb using only salt water and air. The kit includes 4 magnesium electrodes, 2 iron electrodes, one steel wool, light base, light bulb, connecting wires, and a super bright LED. Additional materials such as a plastic container and wooden base are optional but not included. The long life version of this kit is also available with part number Airbatx.

It is important to note that magnesium is a flammable metal and the remaining salt water may contain hazardous materials. Therefore, it is recommended to avoid eye and skin contact with the remaining saltwater.

Instructions for the Airsaltwater Battery Kit are available online, making it easy to assemble and use. This product is perfect for science projects, educational demonstrations, or just as a fun and eco-friendly way to power a light bulb.

Alcohol Burner Lamp

This round alcohol burner lamp is made of molded soda glass with a tightly fitting sealed brass cap. It is suitable for student use and has a capacity of about 125ml. The alcohol is poured by removing the threaded aluminum wick holder and it is equipped with an aluminum cap for extinguishing the flame and to prevent the evaporation of alcohol. This glass round burner is a great addition to any laboratory and is perfect for conducting experiments.

Hexagonal Glass Alcohol Burner Lamp

This Hexagonal Glass Alcohol Burner Lamp is a unique and functional addition to your lab equipment. Made of durable glass, this burner is designed with a hexagonal shape that allows it to be used while tilted, making it easier to control the flame. It is a great alternative to traditional Bunsen burners and can be used for a variety of applications. Whether you're conducting experiments or simply need to heat solutions, this burner is a reliable and efficient tool.

Alligator Clips and Crocodile Clips

These 50mm long alligator clips and crocodile clips come in a pair of one red and one black clip. They have plastic finger grips and connection screws, and can be attached to wires gauge 14 up to gauge 28 using screw or by soldering. The red clip is usually used for positive contacts and the black clip is used for negative contacts. Each clip has a jaw open width of 15mm and an overall size of 52 x 28 x 8mm. They are sold in pairs, and when you order a pack of 10, you will receive 10 red and 10 black clips. When you order a pack of 100, you will receive 100 red and 100 black clips. When you order a pack of 1000, you will receive 1000 red and 1000 black clips. These alligator clips and crocodile clips are perfect for testing and connecting wires in electrical projects.

Alnico Bar Magnet

Looking for a high quality and super strong magnet? Look no further than the Alnico Bar Magnet! Made of aluminum, nickel, and cobalt, this magnet measures about 1/4" x 1/2" x 3" (72 x 12 x 6 mm). Not only is it strong, but it can also be used with iron filings to demonstrate magnetic lines of force. Plus, the notched end indicates the north pole of the magnet. Perfect for science fair projects or experiments, these magnets are available for purchase individually or in packs of 10, 100, or 1000.

Aluminum Ball, 1" Solid

Introducing the Aluminum Ball, 1" Solid, a durable and versatile product that can be used in a variety of applications. Made from high-quality aluminum, this ball is solid and provides excellent resistance to corrosion and wear. Its compact size and lightweight design make it easy to handle and transport, while its smooth surface ensures optimal performance. Whether you need it for industrial, commercial, or personal use, the Aluminum Ball, 1" Solid is the perfect choice.

Aluminum Ball, 3/4" Solid

Introducing the Aluminum Ball, 3/4" Solid! This high-quality ball is made entirely of aluminum, ensuring durability and longevity. Its solid construction makes it perfect for a variety of uses, from industrial applications to recreational activities. Whether you need it for a project or just as a fun toy, the Aluminum Ball, 3/4" Solid is sure to impress.