Dave and Busters - 

2- $10 power cards which activate the games in the million dollar midway and have 60 chips on them.  Also includes 2 coupons for free $20 game play when you purchase $20 of game play.  

Each game in is approximately 4-16 chips each. 

Cards are rechargeable, never expire and accepted at any location.  

www.daveandbusters.com