Crystal Colour Stacking Blocks - Class Pack of 3 Sets

A class pack of 3 sets of crystal colour stacking blocks

• Each of the 3 packs contains 50 blocks (5 x 6cm) and a guide for a total of 150 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.
• Then enjoy the crisp sounds they make as they topple over each other.
• Right side up, or upside down, the blocks are easily stackable into simple or complex forms.
• Great for learning how different structures work together to support one another.
• Overlap different colours to explore colour mixing concepts.