Arshiner Multi-color Small Hit Ball Box Toys,Wooden Pound Toy For Kids,Wooden Hammering Toy (US STOCK) Brand: Arshiner Material:Wooden.Ball quantities: 4pcs.Package Content: 1 x Hit Ball Box Toys Box dimension:11 x 11 x 5.5cm/4.3 x 4.3 x 2.1 inch (L x W x H).Ball diameter: 3cm/1.2 inch.Small hammer length: 13cm/5.1 inch Teach our children in games and in play about colors and about shape.Exercise baby's flexibility of the fingers, so the brain strong.The balls drop down after hammered and roll out.Education baby's hand-eye coordination. WARNING: CHOKING HAZARD-small parts, not for children under 3 years.