"SILICO & chemical PORCELAIN SE"

Our general use hydrometers are made of smooth glass for easy cleaning and have sealed-in paper scales and metal ballast.

Explore STEM concepts while building lever and pulley models!

Drilled balls are used for pendulum bobs or impact experiments, while our other balls are suitable for collision apparatus and density/volume experiments.

Both of these sets come with a roll-up style canvas storage pouch and a solid rubber activator.

Compass with straight edges made up of shatter-resistant plastic draws circle from ¹/₄" to 10" in ¹/₈" diameter increments.

The perfect K'NEX solution for your Maker Space!

A bare copper wire of the highest quality. Available in several standard AWG sizes.

The Celestron NexStar 130 SLT Reflector Telescope lets you view the details of the lunar surface, the rings of Saturn, the polar ice caps on Mars, the cloud belts on Jupiter, or a number of the Messier objects.

3' Fiber optic element, easily demonstrates the bending of light through the fiber optic wire. An inexpensive way to introduce students to fiber optics specifically the use of fiber optics for visual applications.

Operates 1/2 to 3 volts, 100ma start-up / runs at 15ma no load.  Strong torque - 300 RPM @ 1/2 volt. Great for gear drives.  2mm shaft dia. Size 1 1/4" dia x 1 1/4" long. 

These Orange Unit Cubes will help your students or kids learn math concepts by providing them a visual model.

In these digital compound instruments, a video camera is built into the traditional microscope chassis.

Funnels are made of durable plastic. Funnels of top inner diameter 70-108 are polypropylene and autoclavable. Funnels with top inner diameter of 127 and 165 are polyethylene and not autoclavable.

The 165 mm size has a wide stem for quick transfers.

For physics experiments and demonstrations such as kinetic, density and volume measurements, pendulum bob, potential energy and conservation experiments, ballistics etc. Solid ball, 1-1/2" (40mm) diameter. Made of Steel. Sold as a pair. Comes with a Teacher's Guide.

This stopper sizer provide size information for stoppers from 00 up to 12 and corks from 0 up to 26 with this unique tool.

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Investigate and experiment with 7 functioning Wheel & Axle and Inclined Plane models designed to demonstrate science and technology concepts.

Students can determine, through investigation, if the machine multiplies the force it applies to the resistance (load), if the machine changes the direction of the force they apply, and more.