Description: Fine Motor Promotion: This Multi-color pound a ball is nice for hammering practice, Promotes dexterity, hand eye coordination, manipulation, arm movement, cause and effect. Kid Friendly: The design of hammer and balls are specially made for little hands and suitable for an easy grip. your child will love seeing the ball slide from layer to layer. Easy Play: The smooth-sanded balls Drop down after hammered/pounding and sends the balls rolling down the ramp out the on the bottom tray. Stimulating: Keep kids busy with this particular pounding ball action toy it is very helpful to grow up your infant's mind. Great Gift Idea: This pound ball makes a perfect birthday gift for your child and their friends. They'll unwrap it at the party and play together! Specification: Size: 27x15x35cm / 10.62x5.9x13.77inch Material: Plastic Package Includes: 1 Set Track Kit 4 Pieces Ball 1 Piece Hammer Note: Please allow 1-3mm measuring deviation due to manual measurement. Due to the different monitor and light effect,the actual color of the item might be slightly different from the color showed on the pictures.Thank you!