servos and pistons along with pillow versions(for main) to be able to make mechs and tanks/cars all that good stuff along with treads and wheels for mobility also add a plunger shooter mounted and hand held i just think it 200 coins for all parts for mounted plunger shooter cost 400 coins and shoots a block that can pull players to you or grapple and bomb turrets auto targeting and fixed takes 100 fluff per shot shoots 3 mags explosive 200 per shot 5 a mag constructive(aoe) 150 a shot 5 a mag and targeted (single block) 10 a shot 50 shot mag and pellet cost 10 to fire per shot 30 shots per mag
also collosal maps 5k and 4x the size of a full size map