Electra dough allows students to play with materials that are fun, non-threatening, and familiar, all while learning the basic concepts of electrical circuits. This conducting dough, as the name implies, can conduct electricity to form any circuit that you can mold. Our dough is natural,…

Demonstrate storage of electrical charges! This unit is effective in helping students understand the function of a dielectric and the buildup of static electricity. The inner and outer metal conductors are separated by a plastic insulator cup. These pieces slide easily in and out of one another.…

Connector cords are useful in various electricity experiments, as well as in many apparatuses that require connections to power supplies. All of our connector cords are made of 18-gauge insulated wire. These connector cords have alligator-clips on each end. Alligator-clip ends are useful for useful…

Use this wind tunnel to investigate lift, Bernoulli's Principle, and aerodynamics. Simply connect the tunnel to a power source (not included), turn the fan on, and place a source of smoke (not included) in front of the fan. You will be able to watch the smoke move at different rates on either side…

Knife switches are used to manipulate how electricity flows through a circuit. The base and the handle of the switch are insulated to allow for handling. Wires are connected to the screw-type binding posts. This knife switch is a double pole, double throw, single pole, double throw, single pole,…

An economical electroscope consisting of aluminum leaves mounted on a metal rod (item #4-50160) held by a rubber stopper in a 250ml flask. Instructions included. The rod assembly can be use as a replacement unit on 4-50150 or 4-50170. The rod assembly is an aluminum rod with an aluminum ball…

With the Electrostatic Charge Kit, your students will have fun experimenting with static electricity. Instructions included. Kit includes: 1 Wool cloth 1 Silk cloth 1 Cotton cloth 1 Acetate cloth 1 Neon lamp 6 Pairs of Pith Balls 6 Friction rods (acrylic, glass,…

Our 6" by 6" Friction pads come in a variety of materials and are used to experiment with and observe friction. PRODUCT WARNINGS Our products are not toys . Use in a laboratory or educational setting only. Not for children 13 and under.

Our Gauss Magnetic Accelerator is an incredibly simple device for demonstrating the conservation of momentum, the conservation of energy, potential and kinetic energy, and magnetic force. Instructions included. Includes: 1 Aluminum track with meter gauge and catch basket 2 neodymium…

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…

A Wheatstone Bridge is a tool that can be used to determine an unknown electrical resistance within a circuit by comparing known resistances to the unknown resistance value. PRODUCT WARNINGS WARNING: This product can expose you to chemicals including styrene, nickel, and lead, which…

The digital force meter is ideal for addition and resolution of forces, as well as for experiments involving action-reaction laws and other physical phenomena. With a wide range of 2, 5, 10 and 20 Newtons, it virtually replaces four types of spring balances, making it perfect for a variety of…

Pascal's Ball can be used to demonstrate how changes in fluid pressure transmit equally in all directions. It consists of a sturdy metal body and ball. Instructions included. Specifications: 7.6cm Sphere Diameter 250ml Sphere Capacity PRODUCT WARNINGS WARNING: This…

This high-quality lens and prism set is useful for teaching a wide variety of optical principles. You get three lenses and four prisms. The lenses are polished on all surfaces. Sizes vary from 52mm to 88mm in length. Lenses include double concave, double convex, and semicircular. Prisms include…

The connector cord set have Cross-Patch/Stacking Banana Plugs which allows you to connect to another Banana Plug on both the side or back of the first plug. The cords are plastic coated and flexible. The set includes 6 cords; 3 black and 3 red.

Use this kit to explore a multitude of mechanical interations including Archimedes' Principle, Hooke's Law, the Law of Parallelograms, movement on an inclined plane, and more. Instructions included. Kit includes: 1 Weight box 1 Single-Scale with clip 2 S-shaped hooks 1 Wooden…

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.

Illustrates the properties of convection current. The water and dye filled glass frame is heated at the bottom corner. The convection currents are seen as the die is moved through the glass tube. Similar to the circulation of a hot water system. Instruction included.

The Serological Pipettes are used to transfer liquids in a laboratory. The sterile serological pipettes are individually packaged. They have a capacity of 50ml and are graduated by 0.5ml. They are plastic and graduated in black and have a color-coded band at the top for easy identification. Sold…

The unit measures the velocity of sound in the air. Partially fill the resonance tube with water and then sound a tuning fork of known frequency at the tubes open upper end of the Resonance Tube. The water level can be adjusted until the air in the tube resonates at the same frequency as the tuning…

Use this set of nine cubes to investigate density by comparing cubes that are made of different materials but are the same size (2cm by 2cm by 2cm). Their materials are as follows: copper, brass, aluminum, iron, zinc, acrylic, plastic, wood, and cork. PRODUCT WARNINGS WARNING: This…

Our Single Object Needle provides you with a thin needle point to obscure light with during experiments on an optical bench. 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…

For performing experiments in conservation, velocity, elastic collision, acceleration and momentum. The set contains two high impact plastic cars with snap in wheels and two spring steel bumpers with rubber stopper assemblies. Each car has a recession for holding additional weight. The approximate…

Spring Scales are used to weigh loads and are used in physical science experiments as a basic accelerator. Spring Scales use Hooke’s law to determine the size of the force stretching the spring by measuring the displacement. The spring scale has a clear body that is graduated, a mounting ring…

These rubber balloons work perfectly to replace those found in our Deluxe Lung Model Apparatus. Size 9 inches. Sold in a pack 12.

Our Object Screen is a circular, black metal screen with a 75mm diameter and 10mm central aperture covered in 1.5mm wire mesh. Use to experiment with light. This accessory is designed to work with our Basic and Deluxe Optical Benches (#OPTBN-BSC and #OPTBN-DLX). PRODUCT WARNINGS …

Our 10-Level Conductivity Indicator can be used for quick comparisons of conductivity in solutions including, but not limited to, tap water, vinegar, baking soda solution, or varying concentrations of salt water. This device is very simple to use - just submerge both brass prongs in a solution,…

Our Sling Psychrometer Kit is a simple hygrometer used in measuring the moisture content in the air. When spun around on their wooden handle, the wet bulb thermometer and the dry bulb thermometer will read different temperatures. This information can then be used to determine relative humidity and…

The Ballistics Car demonstrates that the horizontal motion of an object is unaffected by forces which act solely in the vertical direction. The car's low-friction wheel bearings allow it to coast at an essentially constant speed. If the spring in the gun is triggered while the car is coasting, the…

This semi-circular refraction tank has a printed protractor on it to observe and measure refraction. Instructions included. PRODUCT WARNINGS WARNING: This product can expose you to chemicals including styrene and lead, which are known to the State of California to cause cancer,…

This set of two magnetic pucks will repel each other in a collision on an air table. Air table not included. PRODUCT WARNINGS WARNING: This product can expose you to chemicals including styrene and lead, which are known to the State of California to cause cancer, birth defects, or…

This unit helps students understand the Combined Gas Law and describes the relationship between the pressure, temperature, and volume of a gas. The air in the unit is compressed by turning the handle, and the volume can be read on the graduated scale printed on the cylinder. The pressure can be…