Mindscope Twister Tracks Mega Set Neon Glow In The Dark Flexible Track System with 547 Pieces over 25 Feet of Track & Accessories Mega Set includes 547 Total Pieces and 25 Feet of Neon Glow in the Dark Track! Includes 1 light up motorized race car with LED lights and black lights underneath (Requires 2 AAA batteries - NOT INCLUDED). Easy snap system, Flexible & bendable, compatible with most Twister Tracks Sets (not compatible with Twister Tracks Micro set) CONTAINS 46 ACCESSORY PIECES: bridge, overpass tunnel, gate, 180 degree car turn disc & more. Collect more & build bigger! Safe & Fun For Ages 3-Adult.