KC2001
Dimension: 5 x 5 x 5 cm per block 
Contents: 
KC2001 (16 pcs) 
Green/blue x 8, yellow/orange x 8, total 16 blocks, 6 instruction cards, 1guide book. 
Package: plastic tray with a translucent cover. 
Each block has a dual color cardstock placed diagonally inside, which creates unique visual perspectives. 
The transparent blocks allow children to familiarize themselves with the structure of their creations. 
These blocks introduce children the mathematical ideas of symmetry, sequence and comparison, etc.