Thumb Score: +6 Amazon [amazon.com] has 20+Piece HEX BOTS BattleBots Arena Bite Force & Blacksmith Remote Control STEM Robot Toys for $35.99. Shipping is free Target [target.com] also has 20+Piece HEX BOTS BattleBots Arena Bite Force & Blacksmith Remote Control STEM Robot Toys for $35.99. Shipping is free.