Babies will be introduced to these eco-friendly and bright colored, basic learning shapes - cylinder, cube and sphere. Not the common plastic building blocks! As the babies grow up they will remember these principle sensory-play shapes, which also make up most of the world surrounding them. Feel, learn and play! Size: 9 x 20 x 7 cm - Made with 100% natural rubber from Hevea trees and Hand painted with natural pigments. - Soft, easy to grasp and safe to chew. Stimulates baby's senses and soothes teething gums. - Completely safe for kids. All products follow all international safety regulations standards of products for kids. - Highly hygienic, mold free. There are no holes in any of our designs preventing the presence and growth of bacteria and mold. - Eco-toys, biodegradable and environmentally friendly.