Amazon.com: Retro Block Game Console Brick Game Console with Color Shell and Large Screen Powered by 2 AA Batteries Build 23 Games and with a Small Body (Yellow) : Toys & Games
2x) Block Battery SLI-600D, 550Wh Battery
Astra 6x Bi Color LED with Block Battery Kit - Bolt Productions
Duracell Batteries / 4 AA - size batteries - Walmart.com