Kids can make endless building combinations with the 40-Piece Basic Cardboard Blocks building set from Melissa & Doug! With 40 sturdy Basic Cardboard Blocks that are lightweight, yet strong, and assemble easily for youngsters, kids will experience hours of imaginative play. The brightly-colored 40-Piece Basic Cardboard Blocks from Melissa & Doug can be stacked high and in numerous different ways to develop motor skills and encourage creativity! The basic block measures 6" x 12" x 6." Set measures 19" x 12.5" x 7" when packaged.