Extra Large Semicircles compatible with Extra Large 12 Pieces Stacker

Set consist of a box with 2 holes, tray and wooden ball. Wooden ball provided with the set is not a choking hazard. As babies and toddlers mouth everything we have made a wooden ball from pine wood and dyed with non-toxic, water-based stains which makes it completely safe for babies. This material develops hand-eye coordination and indirectly allows the child to experience object permanence. It practices precise hand movements while sending information to the brain as well as develops hand wrist and finger control - also known as "refined hand movements". With repeated use of this material, the child learns how it feels to succeed when he has achieved a goal on his own.