ImagiBricks Giant Building Blocks are an award winning, traditional toy beloved by generations. Because they are open ended, kids" imaginations run high as they spend hours creating life size structures. Now this new set includes 4 of the classic brick patterned blocks plus in a white erase board material that children can write on and design their own building. The set comes with 2 Dry Erase Markers in Red and Blue. Total of 16 blocks that measure 12" x 6" x 3". Assembly required - blocks have to be folded into shape.