Works like the conventional knobbed cylinders, this cute set consists of 7 carrots of varying thickness and a set to match. Knobbed cylinders help develop the child's visual discrimination of size, which prepares the child for later work in math. Handling these knobbed cylinders also indirectly prepares and strengthens a child's hand for writing.
Each set (12.5×12.5×5.5cm) retails at $25 each.