Mindscope Twister Tracks Set of 2 Add-on Cars with 2 Remote Controls Mindscope Radio Controlled Cars are Transparent and light up! Comes with 2 Cars and 2 Remote controls! 5 Bright LED lights on each vehicle Cars have black lights underneath and leave glow tracers on glow in the dark track! Compatible with Twister Tracks Dual Lane,Neo Tracks, Twister Tracks 221, Twister Tracks 360, Twister Tracks Chameleon Racer set and Laser Twister tracks! Vehicles Require 3 x AAA batteries each (not included) and Remote controls require 2 x AA batteries each (not incuded)