JOYSWAY Superior 551 USB Power Slot Car Racing set

Joysway Superior 551 USB Power Slot Car Racing set comes with a USB power system. It is the first and most innovative application in slot car toys industry. Traditional slot racing set is powered by batteries or transformer. With Joysway slot racing set, you can use the supplied USB power cable to connect your own power bank (Output:5V2A) or smart-phone USB power adapter (Output:5V2A). Joysway USB power slot racing set is user-friendly. Over 21 feet of track.

• Digital proportional speed controller,high resolution speed control from slow to fast, much more advanced than traditional slot cars which change speed by resistor, speed change roughly andcontroller that can get hot.
• USB power system, the first and most innovative application in slot car toys industry, convenient, safety and cost effective. End user only need to plug in their own power bank or smart-phone USB power adapter to play.
• Superior series slot racing sets feature with Digital display electronic lap counter, can set up from 1 to 99 laps to race your friends. Compatible with USB power (Input:5V2A) and transformer (Input:6V1.5A).
• Contents: KING yellow sport car x 1, ACE purple sport car x 1, Digital proportional speed controller x 2, Digital Display Lap counter & Powerbase combo track x 1, USB power cable x 1, Curve track x 14, Straight track x 16, Banked Track x 4, Crossover Track x 2, Bridge Stand x 6, Bridge Pillar x 8, Holding Post Connector x 2, Holding Post for Banked Tracks x 2, Bridge barrier x 4, Bridge Track Support x 6, Guardrail x 14, Manual x 1, Label sticker for lap. counter and bridge barrier.