Ka-pow. The neighborhood is on its way up and the old condemned building is on its way down. Kids construct a 5-story building then demolish it with the powerful quad-blaster- taking out four walls at once. Young demolition scientists will learn about energy- momentum and gravity. ****• Detonator with quad-blaster**• 18 wall panels**• 8 floors and roof tops**• 1 radio tower and multiple footing clips**• Instruction Booklet**