The K'NEX Lava Launch Coaster is an all-new roller coaster building set that features an explosive, motorized blaster! Shaped like a volcano and towering over 4+ feet high, the Lava Launch Coaster provides powerful performance that matches the thrilling building experience. This set includes 1,200+ colorful K'NEX pieces, including a motorized blaster, roller coaster car, and over 20 feet of track. Follow the color-coded instructions to build this exciting thrill ride step-by-step. Then switch the motorized blaster on, let it spool up, and watch in awe as the coaster car shoots up and out of the volcano. On the way down, the coaster car whips down, around and through the volcano with awesome speed. Instructions for a second dynamic model are available on www.knex.com. Lava Launch Coaster is appropriate for builders and roller coaster enthusiasts ages 9 & up. Requires 3 "C" batteries.