It 39;s simple, yet challenging and it 39;s well made Easy to assemble and is sturdy. Keeps them entertained and helps with cognitive and coordination for kids. Great gifts for birthday Christmas and so on. Specification: Color: Multicolor Material: plastic Size: about 18 * 18 * 40cm / 7.1 * 7.1 * 3.9inch 1Fun and Safe - Cute and easy to put together. The drop and go ramp toy is perfect height for the baby The balls are not cheap flimsy things, right size and big enough so the toddlers wont choke, the little ones you know how they like to put things in their mouth. 2 Bright colors - The colors of the baby ball drop toy are pleasing to the eye, not an eyesore like some kids toys. You can use it educational and teach the colors of the balls. 3 With rattles - Rattling sound inside the balls and make noise all the way down. The cute frog on toy can use as a rattle. 4 Multi-functional - The ball tracker allows the child to build and play ball all in one game, helps toddlers learn how to position the pieces to make the balls travel faster down the spirals. Good for eye tracing and eye-hand coordination exercise. 5 Good for development - Enhance fine motor skills and problem-solving skills. Excellent interactive toys can improve intellectual skills, creativity, originality and concentration, as well as perfect eye-hand coordination exercises for infants and young children.