Crystal Color Stacking Blocks
See, hear, touch and play with these fun, lightweight blocks specially designed with grooves for stacking up as high as you can build them. Overlap different colors to explore color-mixing concepts, and then stack them up for even more fun as you see your creations become brilliantly illuminated. Includes 50 blocks and guide.
- Dimensions: L: 2" x H: 2"
- Warning: Choking Hazard (1) Not for under 3 years