TEDCO Toys

The Light Crystal Prism will fascinate children by demonstrating the rainbow of colors hidden in natural sunlight. Bevel cut to reflect images into...

Explore the fascinating world of UV light with this educational and hands-on Black Light Science Fun kit. Learn about black light science, UV light...

Set our radiometer (also known as a light mill) in the sun, or bright light, and watch the vanes spin! More light, more spin! How does it work? The...