Wood made from safe, high-quality, non-toxic, plywood. No additional tools or glue necessary. Great activity for both children and adults. Improves motor, cognitive, and emotional skills. Use for educational purposes, as collectibles, or decorations. Fun, unique, and engaging. Makes the perfect gift! Assembled Size: 8.27 x 2.76 x 4.72 in. 34 pieces, recommended for ages 8 and up.