Ariro Toys Wooden Interlocking DiscsWhy our Wooden Interlocking Discs? Has your baby's involuntary grasp become voluntary? Interlocking discs is the right aid for this Our Interlocking discs are chemical free and natural Edges are blunt with an overall smooth finish is durable and sturdy We take delight in creating the world's first neem wood teethers Serves the purpose of a grasping toy too. Helps with Hand eye Coordination. We source the best neem wood, which has been naturally aged