The K'NEX Sonic Blizzard Coaster, its an all-new thrill ride building set which gives you the chance to combines motorised roller coaster excitement with exhilarating head-to-head racing.

K'NEX Sonic Blizzard Coaster set includes over 1,100 pieces, including colourful K'NEX parts, motor, battery-powered speakers (for use with any iPod/MP3 player), 2 light-up coaster cars and over 32 feet of track.

You have to follow the colour-coded instructions to build this exciting dueling roller coaster over 3.5 feet high. K'NEX Sonic Blizzard Coaster also has battery-powered speakers attach to any iPod / MP3 player (not included) to enhance your building experience.

Once complete, switch the motor on to bring the model to life. The motorised chain lift quickly carries opposing cars on separate tracks to the top. Each coaster car features red and blue lights that blink when in motion. As they crest the peak, both cars accelerate through opposing tracks that are full of twists, turns and loops in a race to the finish.
Set features:
• motor
• batter-powered speakers
• 2 light up coaster cars
• 32 feet of track
• completed coaster is over 3.5 feet high

Dimensions: Builds over 3.5 feet high
Batteries: Requires 2 AA & 2 AAA batteries