LEGO Explore Soft Brick Medium Set These flexible LEGO blocks are made from a safe, tactile, durable and noiseless material that can be used both indoors and out. The giant-size bricks invite children to construct imaginative objects in full child-size. Set contains decorated face bricks with eyes and mouth, roof-tile bricks, and lots of basic bricks in 4 colors. 52 pieces. Grade Level: Toddler-PreK