Description:
Material: Beechwood
Size: about 15cm(9.06'')x4cm(1.57'')x3.5cm(1.37'') each block

Feature:
-Set of 4 knobbed cylinder blocks kids children educational toys.
-Be good for developing children's visual discrimination of size, volume, thickness and height, improving eye and hand coordination and enhancing fine motor skill.
-Educate young children to find errors and correct mistakes, to help them have a focus, and stimulate the will to repeat the operation.
-To cultivate children's concentration, order and observation.
-Block A: The cylinders vary directly in three dimensions
Block B: The cylinders vary in two dimensions
Block C: The cylinders vary in one dimension
Block D: The cylinders vary inversely in three dimensions

Note:
-Due to different producing batches, product details might be a little different. If you minding the difference, please buy it carefully.
-Please allow 3-5mm differs due to manual measurement.
-Due to the different display and different light, the picture may not reflect the actual color of the item. Thanks for your understanding.

Package Included:1 Set of Knobbed Cylinder Blocks