Block Builders

• Six cubes, each uniquely hinged.
• Open, close, rotate, flip, stack - endless building, perpetual design
• Also includes 50 challenge cards that encourage young builders to visualize, conceptualize and realize a world of architecture
• Each card includes educational facts, terms, landmarks, and more
• A perfect introduction to architecture, structure and design
• Ages 5+
• Size (Case): 6-3/4" square (17 cm)