Teasing needles are used to manipulate small samples. These long, white plastic handles and are available with straight and bent tips. PRODUCT WARNINGS WARNING: This product can expose you to chemicals including styrene and lead, which are known to the State of California to cause…

Density Cube Set This set includes three different sized cubes of eight materials commonly used in density experiments. Each material is represented by a 1/2”, 1” and 1-1/2” cube. Materials included are acrylic, aluminum, brass, copper, nylon, polypropylene, PVC, and steel.…

An economical version of a classic device! It demonstrates that all objects experience the same gravitational acceleration and fall at the same speed in a vacuum, but in air the air resistance slows down some objects more than others. Features a disc and a feather in a tough, clear, plastic tube,…

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…

Featured displays of this electronic alarm stopwatch include time (hours-minutes-seconds, with 12 or 24 hour mode option), calendar, 24-hour stopwatch, alarm, hourly chime, 1/100 second chronograph, split time, and total time. It is lightweight, easy to operate, ad comes complete with battery and…

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…

Flexible 18swg stranded wire cord with two way stackable banana plugs at both ends.

This high quality set of 12 drilled balls is great for conducting all of your pendulum experiments.  Each set contains 2 each of brass, aluminum, steel, wood, cork, and copper balls. A 3mm hole is drilled through the center of each ball. Every set comes in a convenient plastic storage…

Lenses - Glass with ground edges - Double Concave

Our ebonite friction rod can be used to experiment with and to observe friction. PRODUCT WARNINGS Our products are not toys . Use in a laboratory or educational setting only. Not for children 13 and under.

Our Lenz’s Law apparatus is a simple and effective way to demonstrate induction and Lenz’s Law of electrodynamics. The metal hoops (one open and one closed) are freely moving on a centrally mounted pin. When a magnetic field is introduced to the closed loop from a bar magnet, an electrical…

The design of the SpillNot™ uses the principles of Newtonian physics to keep the liquid in the container. The flexible handle and the location of the suspension point above the center of the tray ensure that the forces on the liquid are always directed towards the supporting tray, even when…

Balls sold individually and in a variety of sets. Choose from aluminum, brass, copper, cork, glass, lead, steel, wood, and zinc. Sizes include 19mm and 25mm. Pick from one of the following styles: drilled center hole, solid, and with hooks. Ball sets include: 42003-19: 19mm diameter with…

Accurate, non-rolling hexagonal masses are made of steel, and feature a durable black oxidized finish. Available in both customary and metric sizes.

Galvanometers measure very small amounts of current or voltage in a circuit. Our meters are accurate to +/- 2.5% and have banana jack style binding posts.

21st century New York Balance is ideal for demonstrating basic physics principles including levers and center of gravity. Set includes a demonstration balance support, three knife edge lever clamps, a half meter stick, one 50g hooked weight, and one 100g hooked weight. Includes activity guide.

Specially constructed hammers for sounding tuning forks. TFWHAM has a spherical hard rubber head on a varnished hardwood handle. TFHAMR has an acrylic head with a rubber end mounted on a metal/wooden handle.

The Friction Rods are useful in a variety of electrostatic demonstrations. 603-1: Made of glass tubing and sealed on one end 603-2: Made for a solid glass rod and the edges of the glass are ground to a smooth finish 603-3: Made for a solid glass rod and the edges of the…

We have designed a speical stand to replace the pencil, for hands-free demonstration. Magnets are in plastic cases, to reduce breakage. Set contains 5 brightly colored magnetic rings, and the plastic stand, in a cardboard storage box.

Optically true glass with scratch-resistant copper back silvering individual glass mirrors ideal for a variety of optics experiments. Focal lenghts available from 25mm - 300mm.

Set includes two helical springs. The long, narrow spring measures 3/4" x 72", and can be extended to 5 meters. The larger spring measures 3" x 4", and can be extended many times its length without distortion. The long, narrow spring measures 3/4" x 72", and can…

Glass with ground edges - Double Convex

Equilateral prisms, made from high quality clear acrylic sheet with highly polished surfaces.

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.

Operates on 1.5V or 3V DC. Speed: 7000-11000 RPM. Motor is 40 MM long x 20Mm in diameter. Shaft size: 2 MM diameter x 8 MM long.

Our Radiometer is made from a glass bulb from which much of the air has been removed. Inside the bulb, on a low-friction spindle, is a rotor with 4 vanes. Each vane has one blackened side and one silvered side; one black vane features a white dot in order to count rotations easily. When exposed to…

Our meters are mounted in black plastic cases. Meters have a scale length of 75mm, offer +/- 2.5% accuracy and come with 5-way binding post and external calibrating screw. Meters are not protected against prolonged or significant overload. Stackable for storage.

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 exceptional value! This kit includes a variety of Magnets, and accessories for teaching basics of magnetism. Comes in a reusable storage box. Shipping weight 1.5 lb, dimensions: 9.25"; x 9"; x 1.5";. KIT INCLUDES THE FOLLOWING: 1 Steel horseshoe magnet, 3 Ceramic donut magnets, 1…

Flexible, double-sided, acrylic mirrors.  Various sizes and assortments are available. 

Ideal for introducing and demonstrating the polarization of light.

This inexpensive 3x magnifier is great for general purpose use.