The cube puzzle can encourage hand-eye coordination, fine motor skills, colour matching, identification, and problem-solving skills. Also, the pegged puzzle can inspire children's imagination as well as promote their physical and intellectual development. The wooden blocks are nicely sanded and painted on each side with non-toxic material and vibrant, bright colors. Also it is smooth with no sharp edges, as surface had been polished, safe to use by toddlers. wooden toys are designed to make children smarter, more imaginative and creative.