![Knobbed Cylinder Block [Thick to Thin]](https://myturn-prod-images-out.s3.amazonaws.com/0/1540/item/---/image/IMG-9779-FD07B2EC-E283-8438-61A8-2A22C4CE2BB1-1024x768.jpg)
One block set with 7 cylinders -- goes from thick to thin circumference in the same depth.
- Helps develop the child's visual discrimination of size.
- Prepare child for writing, through the handling of the cylinders by their knobs.
- Prepare child for later work in Mathematics, through observation of the regular differences in the cylinders.