Material:high quality wood and environmental lacquer.
The size of single block: 1.34"*1.34"*1.34". And the size of the whole 9 blocks: 4.02"*4.02"*1.34".
Cultivate baby's ability to think and their ability to react as the environment changes.
Cultivate baby's ability to distinguish different colors.
Package: 9 pcs wooden blocks.