A low cost pulley for simple machines experiments which can be clamped to a table.
Create currents and discover gravity while exploring the theory of Lenz's Law with this kit!
This quality Dobsonian style telescope features a 76 mm aperture reflector optical tube.
This mirascope creates a 3D hologram image!
This classic desk toy will keep you amused! Large, 7 inch tall version.
Provides the power to execute all the basic electrostatic demonstrations on an energetic and dramatic scale with up to 350,000 volts!
An ancient toy featuring optical illusion and hands-on fun that never grows old!