Blast off faster than the speed of light with the Hyperspeed Hangtime Roller Coaster Building Set! Thrill seekers will be on the edges of their seats as they use K'NEX rods and connectors to build a motorized roller coaster that stands over 2.5 feet tall. The exclusive inverted blaster motor launches your hanging coaster car on an out-of-this-world adventure through 18 feet of track. For even more fun, download instructions for a second coaster track configuration. Set includes 628 K'NEX pieces, a hanging coaster car, an exclusive inverted blaster motor and step-by-step, illustrated instructions. The motorized launcher requires three C batteries (sold separately).

Age Recommendation: Ages 9 and up