This Marble Run by Quercetti is made from 100 percent Bioplastic. In the kit there are 49 pieces to compose solid structures always different and stimulating. The child can combine the different colors of the slopes and enrich them with slides and reels. In addition, using balls of various colors you can observe their path and learn the force of gravity. Migoga Marble Run develops the creativity, reasoning and critical thinking of the child. Age: 4-10 years old