Create your own thrilling roller coaster at home with the K’NEX Atomic Coaster. Standing four feet tall when constructed, this 1,255-piece kit features a motorized chain lift, color-coded building materials, two racing cars, and twisting, turning tracks. The Atomic Coaster combines the rewarding stimulation of building with the thrill of racing and motor power. After you’ve conquered the Atomic Coaster, its pieces can be reassembled to make another exciting ride called the Proton Plunge.
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