Anki OVERDRIVE Expansion Track Corner Kit Price:  $12.95 (as of 25/12/2019 01:02 PST- Details)

Use your mobile device to take command of real robotic Supercars in Anki OVERDRIVE.
Add more twists and turns to your battlefield with the Corner Kit!
An Anki OVERDRIVE Starter Kit and a compatible mobile device are required to play.