You create the remote controlled combat! Snap-on customizable weaponary for unique designs Stand strong with all new High-Torque tank tracks! Ages 8 and up This tank tread power base lets you choose the strategy as you select what armor and weapons to construct your robot with. Compatible with all other Build Your Own BattleBots Accessory packs, the combinations are endless, so deck out your custom tank tread bot and destroy the competition!