Image Item No. Description By  90609  Hero Factory Arm / Leg with Ball Joint on Axle and Ball Socket Catalog: Parts: Hero Factory 1  90639  Hero Factory Armor with Ball Joint Socket - Size 5 Catalog: Parts: Hero Factory 3  87799  Hero Factory Chest Badge with Letter H and Spiked Bottom Catalog: Parts: Hero Factory 169  93575  Hero Factory Fist with Axle Hole - 4 Fingers Catalog: Parts: Hero Factory 1