Basic Cardboard Blocks 40-Piece Set, Even the three little pigs would be impressed with these sturdy cardboard building blocks.
(Manufacturer: MELISSA AND DOUG - Part No: 2784 - SKU: 2108954)

The Big Bad Wolf has nothing on these sturdy cardboard blocks. They're easy to assemble, and they're lightweight so even the youngest builders can construct their dream home. Bright colors mean endless combinations. Each block measures 19"L x 12.5"W x 5.75"H. Includes 40 blocks. ...Read More (specification)