Oibos geometry merges a sphere with a cube, combining the fun of a ball with the educational benefits of building blocks. Like every MOLUK toy, Oibo grows with the child: a soft grasping and teething toy for babies, a bouncing and rolling toy for toddlers, and a stacking, geometry-teaching set for older children.Details: Soft, flexible food-grade silicone. Each piece measures approx. 8 cm in diameter. Set of 3. From 6 months. Available in primary and pastel.Care: Wash with warm soapy water and air dry.