Thumbs Up! Glow in The Dark Space Coaster Game Beautiful and exhilarating glow in the dark space coaster Separate tracks allow the marbles to whizz around the roller coaster A ball is kept running perpetually through the maze by the two entry and exit ramps set up with each track Requires 1 x R14C battery (not included) Measures 25.2 by 7.09by 14.17-inches