Description This optical cube prisms is made of premium material, which has the long service life. It features the compact size, which is easy to use, store and carry. The optical prisms cube can manipulate light through refraction to form a kaleidoscopic pattern. It is essential equipment for optical science studying. Features -Color: As Shown. -Material: Mirror. -Size 1: About 1.50X1.50X1.50cm/0.59X0.59X0.59inch -Size 2: About 2.00X2.00X2.00cm/0.79X0.79X0.79inch. -It is an essential equipment for optical science studying, suitable for kids to play and do experiment. -It can be used for the teaching demonstration prop and kid's optical experiment instrument. -This product is a professional and creative optical cube prisms, which is made of selected material and designed into a colorful crystal cube shape. -It not only can be used as an optical experimental prisms, but also a delicate photography prop. -You can send it to your kids as a gift, and it is both a toy and an educational prop that can teach your kids some knowledge about light. It is an essential equipment for optical science studying, suitable for kids to play and do experiment. It can be used for the teaching demonstration prop and kid's optical experiment instrument. This product is a professional and creative optical cube prisms, which is made of selected material and designed into a colorful crystal cube shape. It not only can be used as an optical experimental prisms, but also a delicate photography prop. You can send it to your kids as a gift, and it is both a toy and an educational prop that can teach your kids some knowledge about light.