Very young builders will love these sturdy, cardboard building blocks because they are lightweight yet durable! This 24-piece set features three sizes of "bricks" for constructive imaginative play. Made of premium, extra-thick cardboard for strength, they are easy to assemble and feature a wipe-clean surface. The red blocks hold up to 150 lbs!

• 24 lightweight yet durable blocks in three sizes are perfect for little builders with big plans
• Bright primary colors with brickwork patterning
• Premium, extra-thick cardboard is easy to assemble and easy to wipe clean
• Super strong - the red blocks hold up to 150lbs
• Adult assembly required