Lacing Apple These beautiful threading toys for toddlers make a lovely change to plastic. Made from this real wood, this apple features lots of holes that the hungry caterpillar on a string can munch through. It simply works to develop fine motor skills and introduce the concept of concentration and patience among younger children. This particular threading toy is 85cm in diameter and is painted with a bright non toxic red paint meaning it is safe for toddlers who are exploring toys by taste.