Hexbug Battery (12-Pack) : Amazon.ca: Health & Personal Care
HEXBUG BattleBots Rivals 5.0 (Rotator and Duck!) Toys for Kids - Fun Battle Bot Hex Bugs - Remote Controlled Robot Toy - Batteries Included - Ages 8 and up : Amazon.ca: Toys & Games
How To Change Your AquaBot Batteries! (2018) - YouTube