K'NEX Hyperspeed Hangtime coaster
Ref: 51414 (or 51415)
628 Micro K'NEX pieces
Weight (approx.) 1485g
Blast off faster than the speed of light with the Hyperspeed Hangtime Roller Coaster Building Set!
Build a Roller Coaster over 1.7m (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.
For more fun, download instructions for a 2nd coaster.
Requires 3 "C" batteries (not included).