Made of paper material, the creative optical themed kids science project toy is durable with looking. This set of fringe painting toy, creative and educational, which can attract kids' attention. It is easy to assemble, perfect for families and schools, and fosters children's willingness to deeper into science. Features -Color:Assorted Color -Material:Paper -Size:20.00X14.00X0.01cm/7.86X5.50X0.00in -This is a simple demonstration of the animation process, your kids can learn the principle of the production of animation through this science toy. -The toy can offer both the entertainment and the knowledge when your kids are playing with this creative optical grating painting. -Selection of nice and mild paper, wear-resistant and durable, which can accompany your children for a long time. - workmanship and lovely design ensure the popularity of this Handmade Arch Bridge. - The plaything is smooth and lightweight, your kids can use it with ease and it can be easily carried to any places. Package list: 1 x optical grating plate 6 x backdrop painting