Challenge young minds at play with this colorful dolphin puzzle. The 10 extra-thick wooden jigsaw pieces are each painted with non-toxic child safe paints. and fit together perfectly. Solving puzzles gives kids a sense of accomplishment and self-esteem, while also developing hand-eye coordination and visual perception. Makes a great decoration, too! Made of basswood .Measuring 30.6(L)x11(H)x1.6cm thickness, each set is shrink packaged.