This kind of optical glass can reflect seven-color sunlight. It can beused to teach children to explore the mysteries of light, stimulate a childsthirst for knowledge, and improve the childrens interest of understanding themagic world.
Details:
Great for teaching
Can be also a toy for kids
Made of high quality optical glass
Side Length: Approx. 30mm
Length: Approx. 50mm
Package Includes:
1 x
Keywords: optical glass , , teaching