Introduce children to concepts including shapes, sorting, patterns and positioning. This toy provides open-ended play and can help develop dexterity and coordination. Wood: Ash, Walnut, Oak, Pine, Cedar, Mahogany, PoplarAge Group: 0 and upParts Included: 7 square stackers with central hole, 1 removable dowel, 1 8x8 inch square base with hold for dowelDimensions: Base - 8 inches by 8 inches Total height - 7 inches Learning Skills: Fine Motor Skills, Hand-Eye Coordination, Dexterity Our Commitment to You: Product parts are meticulously sanded and checked to help ensure a safe and fun play experience. Products are finished with food grade mineral oil. Products are all independently tested by Cambridge Material Testing Limited in Mississauga, Ontario to ensure they meet US and Canadian Safety Standards.