Powerful Alnico 1 bar magnets, shipped in pairs, with separators and keepers. Width 1/2, Thickness 1/4.

Our Diaphragm accessory allows you to cycle through six different size apertures for light experiments: 2mm, 4mm, 6mm, 10.75mm, and 14.85mm. This accessory is designed to work with our Basic and Deluxe Optical Benches (#OPTBN-BSC and #OPTBN-DLX). PRODUCT WARNINGS WARNING: This…

This set of 15cm long x 2cm wide strips can be used in chromatography studies. Sold as a pack of 100 strips.

GSC International N-00003 DC Voltmeter Digital with Connectors. Range 25 V 0.01V. The Digital DC Voltmeter is small, portable, and easy to use for any circuit. A 3 volt lithium battery is included. Two alligator clips are directly connected to the meter’s main body, allowing for…

Optical Quality Acrylic Prism polished on all faces 25mm length, 25mm face Refractive index close to optical glass Can produce rainbow from a non-monochromatic light source such as sun light Made of acrylic which will not break or chip like glass, is a softer material so handle with care to…

Five different metal spokes, aluminum, steel, brass, copper and nickel, extend from a center hub, and are connected to a wooden handle. The hub is heated and the students watch as wax falls from each spoke in the order of conductivity.

This premium set includes a stand, rod clamp and ring, all in one packages - eliminating the need to piece together a system for your classroom or lag. Everything is in one box. Stainless steel rod with a powder coated base provides the perfect setup for any experiment. Made from…

A syringe is used as an airtight piston that is mounted on a wood base and platform. Mechanical pressure in the form of weight, is placed on the platform, which changes the volume gas. You then plot the volume of gas versus the pressure to obtain a good approximation of Boyle's Law. The unit…

This kit an optical bench that offers more enhanced set of accessories allowing the user to perform more experiments in optics. The bench is 1m long and is graduated on one side. - This kit an optical bench that offers more enhanced set of accessories allowing the user to perform more…

Using the Visual Scientifics Platform this state of the art equipment makes learning wave phenomena more interesting than ever by having students use technology they love, their smart phone. Kit includes: - Thin string - Thick string - Oscillating motor - Mountable pulley …

Our round glass convex/concave mirror is 7.5cm in diameter and has a focal length of 20cm.Our round glass convex mirror is 7.5 cm in diameter and has a focal length of 7.5 cm.

Van De Graaff Generator that can be run on both a motor and a hand crank Motor has adjustable speeds and is compatible with 110/120V and 220/240V Hand crank up to 100kV Sturdy 6" x 8" base with both the components securely mounted Approximately 22" tall This Van De Graaff Generator can be…

8.25" Long measured end to end 2" Diameter Pulleys 2" Dia low friction pulleys attached to a aluminum rod. Both Pulleys are made of hard blue plastic with a metal bearing to create low friction when in use. This Economy Atwood Machine consists of two 2" Dia low friction pulleys attached to a…

The Harbottle Pressure Globe helps students to understand the meaning of fluid pressure and pressure reduction. Simply place a balloon into the opening of the glass Harbottle and stretch the mouth of the balloon over the opening of the bottle. Blow into the balloon and, when it is fully inflated,…

This quality built nylon insect net features a telescoping aluminum handle that extends from 18" to 32". A simple twist of the handle locks and unlocks the handle for varying lengths. A 48" long conical net is mounted on 14" ring.

Assembly set is for laboratory use, and consists of a rod for attaching clamps and a stand for stability. The assembly stand measures 62.0 x 15.0 x 5.0cm (L x W x H), and weighs approximately 1.57kg. (L is length, the horizontal distance from left to right; W is width, the horizontal distance from…

Our Lens Holder, 50mm can hold 50mm diameter lenses and mirrors for optical bench experiments. This accessory is designed to work with our Basic and Deluxe Optical Benches (#OPTBN-BSC and #OPTBN-DLX). PRODUCT WARNINGS WARNING: This product can expose you to chemicals including…

This Electricity System 1 Physics Kit comes with 51 components, including a Circuit Board, and all the resistors, lamps, voltmeters and ammeters one needs to investigate core concepts in introductory electricity. With this kit students can explore common experiments such as Ohms Law, Series and…

Build your own series circuit using the handy Create-A-Circuit-Kit. It comes complete with a "D" cell battery holder, a knife switch, two miniature light bulbs, two lamp holders, and four connector cords. Instructions are included.

EXPLORE GRAVITATIONAL POTENTIAL ENERGY Medieval weapons, engineering, and physics - not a bad classroom learning activity, or way to spend a Saturday afternoon. This trebuchet which will throw the included ping pong ball more than 30 feet (or heavier objects even farther!). This kit allows…

This calorimeter consists of two nested aluminum cans separated by a 1.7 CM thick styrofoam liner and a clear molded plastic lid with a filler cap. A plastic insulator ring protects the styrofoam insulation against damage and liquid spills. The inner reservoir has a capacity of 150 ML. A…

Folding magnifier in a pouch. 50mm diameter, 2.5x magnification.

A comprehensive and economical set of equipment for ray optics and color experiments using magnetic-backed components that can be used on the included whiteboard or any installed steel whiteboard. This set is a great value! The set's topic range includes the optics of lenses, mirrors and…

A natural rock that contains traces of iron ore with natural magnetic properties.

LUNG FUNCTION Lung demonstration model provides a firsthand view of how the lungs work and how other structures play into the function of the lungs SIMPLE YET EFFECTIVE A simple, yet effective, apparatus that consists of two sacs, which represent the lungs, a rubber membrane, which serves as…

Complete set of all simple machines given above WDSM10 to WDSM21. Set of 12.

This magnifier offers an extra large field of view, hands free use, and folds down to a compact size for storage. Its 10cm lens provides 6x magnification. Ideal for use on a lab table, and for dissecting small specimens like owl pellets.

A visual demonstration of how a lung is emptied and filled with air by the relaxation and contraction of the diaphragm muscle. Two balloons are attached to a glass "Y"-tube and simulate the lungs. The chest cavity is a plastic bell jar. The rubber sheet is used to represent the diaphragm.…

Plastic Insulated Copper wire is 22 gauge, supplied in 100 foot rolls and available in three colors. Bare Nickel Chromium Wire is supplied in 4 ounce spools. Enameled Copper Magnet Wire is supplied in 4 ounce spools. Soft Bare Copper Wire is available in 4 ounce or 1 lb spools.

Constructed of anodized aluminum, with steel hooks, this spring scale is extremely durable. Available in seven color-coded sizes.

Sold by the dozen.