Get ready for an intergalactic adventure with the Supernova Blast Roller Coaster Building Set. Use over 800 K'NEX pieces including classic flexi-rods to build a model over 3 feet high! The specialized blaster motor launches your car on an out-of-this-world adventure through 22 feet of NEW glow-in-the-dark track!! For more fun, download instructions for a 2nd coaster, the Sonic Boom. Requires 3 "C" batteries (not included). Ages 9+. Standard parts made in the U.S.A. Special components made in China. Packaged in the U.S.A.
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