Cultivate hands-on awareness at early educational period is necessary. This hand generator is easy to DIY assemble, which is good to exercise your child's hands-on skills and understand simple mechanical principles. Wooden hand generator, allow kids to use their imagination, graffiti freely, create a toy of her or his own. Features -Color:Assorted Color -Material:Wood -Size:15.00X12.00X8.50cm/5.89X4.72X3.34in -Note: The light bulb is color. DIY handshakes electric generator toy, train your children observation capability, thinking and analytical skills. - Made of wood material, funny and creative, which is and lasting for use. - Happy and easy to learn. The science educational toy can exercise your children practical ability. - Learn scientific tips is a good kids for early education, they can learn by playing the hand generator. - Nice kids and students educational toy that you can have one and let your kids have a great fun from it. Package list: 2 x Sets of Generators