Mindscope Twister Tracks Trax RollBot Neon Glow in the Dark 241 Piece Flexible Railway Set With Light Up LED Motorized Sphere/Ball & 12' Feet of Track Includes 12'L (feet) of neon glow in the dark flexible track & motorized light up (multi-LED) sphere/ball. Each RollBot contains 5 LED lights, one of which is a black light that leaves a glow in the dark trail on the flexible Twister Tracks! RollBot can be played on the track or off, contains bump & go technology. Detachable and attachable track in five bright colors. Ages 3 and up. Even pets can enjoy/interact with the RollBot. Compatible with Twister Tracks & Neo Tracks (not compatible with Twister Tracks 360 'loop track' only). Each RollBot requires 2 AA batteries (not included).