Features: 1. High quality wood materials, non-toxic, safe and environmental friendly. 2. Put the little on the top of the columns, the ball will roll down to the chassis from the color chips. 3. It can improve children's intelligence and improve hands-on ability. 4. The bright colors can attract baby's attention and training their recognition about color. 5. It will be a great gift for your children. Specification: Item Type: Wood Puzzle Toy Material: Wooden Assembled Size: Approx. 8.5 x 8.5 x 21cm / 3.3 x 3.3 x 8.3in Weight: 0.2 kg / 0.4 lb(approx.) Package list: 1 x Chassis 1 x Column 2 x Small Ball 16 x Colored Wood Chips Package List 1High quality wood materials, non-toxic, safe and environmental friendly. 2Put the little on the top of the columns, the ball will roll down to the chassis from the color chips. 3It can improve children's intelligence and improve hands-on ability. 4The bright colors can attract baby's attention and training their recognition about color. 5It will be a great gift for your children.