Cultivate hands-on awareness at early learning 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:Beige -Material:Birch, PE -Size:16.00X15.00X8.50cm/6.29X5.89X3.34in - Kids DIY hand generator toy, train your children observation capability, thinking and analytical skills. - Turn the handle and the electricity generated will turn the bulb on. The faster the handle is turned, the greater the power generated. - DIY assemble wooden projects for kids is happy and easy to learn, exercise your children practical ability. - The hand crank generator is easier for your child to learn basic mechanical principles and improve your child's hands-on ability. - Nice kids and students scientific toy that you can have one and let your kids have a great fun from it. Package list: 1 x set of hand cranking generator 1 x screwdriver 1 x specification