18 months & up. Allow children to explore nature with this unique set of wooden blocks. Each block is a peculiar shape that invites and makes balancing and stacking a challenge to conquer. The unique shaped pieces, combined with the unlimited building possibilities, will help develop hand-eye coordination and spatial skills while having fun! This set will also promote fine motor skills and block play. Includes an eco-friendly cotton storage bag. Set of 12 unique wooden shapes.