Description:Undoubtedly, this toy can exercise kid's logical ability and thinking ability. At the same time, it is made of premium materials, which is not easy to deform and crack even after long-term using.Because it is detachable slide for recombination, this product can exercise the baby's perception and independent thinking ability. Five layers of tracks, four color balls, knocking on the ball, the small ball will slide down the track, attracting the baby's attention and suitable for entertainment.It is constructed of ABS material.The total height of the product is 35cm. It is a practical birthday gift for your kid. Item Name: Educational ToysMaterial: ABSColor: Random ColorFeatures: Smooth Edge, Burr-free, Bright Colors Size Details:Height: 35cm/13.78" (Approx.)Notes: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.Package Includes:5 Layers of Track Toys4 x Balls