Features: brand new and high quality Care for the baby:Delicately polished, for play freely without hurting your hands. Multiplayer interactive game:Exploring institutions with your friend to enhance mutual feelings. Strictly selected plastic material:Harmless and safe materials that make mothers more assured. The ball ramp toy has 4 slightly curved ramps. The inclined design makes it easier for the ball to slide and run fast and far. When the ball stops, our boys and girls can put the ball in the groove, thereby increasing the awareness of storage and classification. This item provides them with the visual concept of reading and writing from left to right. Specifications: Material:Plastic Size: Track:Approx.27.5x15x42.5cm/10.8x6x16.7in Hammer:Approx.19.5x6.2cm/7.7x2.4in Ball Diameter:Approx.4.5cm/1.8in Package Includes: 1 Set Track Game note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.