Stimulate your Child's mind encourage your kids to think logically, move precisely, and play creatively this kinetic wood stacking toy. Helps children develop both cognitive thinking and fine motor skills as they carefully place, rotate, and adjust the different shapes to make them all fit. All-natural materials ASTM f 963 certified you can be sure this engaging toy will keep your children's bodies active and their minds curious and creative multipurpose use this puzzle can be used in so many ways your toddler can enjoy stacking the blocks. Learning about colors and shapes and figuring out new ways to put the puzzle together with its lightweight design, this small stacking toy also makes an excellent travel companion use it for on the road stacking or bring it along as a vacation companion this wooden shape stacker is also easy for multiple children to use at once, making it a wonderful addition to daycares and classroom quality.