SPJ: Multicolor Circle Bead Roller Coaster Maze Wooden Toys for Kids Dimensions: H 6.8"  W 7.0"  D 5.1" ( Please look at the sixth and seventh images.) Brightly colored, smooth-sanded pieces, Water based paint is harmless to baby. Develop flexibility of the fingers;hand-eye coordination;cognitive ability and logical thinking ability. Parent can play with kids and teach them simple arithmetic,vegetables,colors and shape. Natural &high quality wood, non-toxic paint, safe to children. No assembly required, no pieces will come out. Educational toys. Best choice as kids' birthday gift. It is a good parent-child game. Washes easily with mild soap & warm water.