Blast off faster than the speed of light with the Hyperspeed Hangtime Roller Coaster Building Set! Use over 600 K'NEX pieces to build a Roller Coaster over 2.5 feet high! The exclusive inverted blaster motor launches your hanging coaster car on an out-of-this-world adventure through 18 feet of track!
Includes: 628 pieces and motorized launcher.
Built roller coaster measures approximately 48" long x 30" tall.
Requires 3 C batteries (NOT INCLUDED).