One of our most exciting products has been redesigned! KaBlocks Blast is an exciting version of our best-selling KaBlocks construction set. KaBlocks Blast uses kinetic force rather than air power to blast soft foam blocks even higher – over 6 feet into the air! Now even the littlest three-year-old can create impressive explosions time after time. Features highest quality silicone launch pad, easy to use stomp lever, improves fine and gross motor skills, encourages creative thinking.