Image Item No. Description By  98613  Hero Factory Arm / Leg Extender with Ball Joint and Ball Socket Catalog: Parts: Hero Factory 1  90622  Hero Factory Arm with Ball Sockets Catalog: Parts: Hero Factory 5  90641  Hero Factory Armor with Ball Joint Socket - Size 3 Catalog: Parts: Hero Factory 252  90640  Hero Factory Armor with Ball Joint Socket - Size 4 Catalog: Parts: Hero Factory 5  87810  Hero Factory Chest Armor with Single Spiked Shoulders Catalog: Parts: Hero Factory 1  87797  Hero Factory Foot with Axle Catalog: Parts: Hero Factory 1  15976  Hero Factory Foot with Three Short Claws and Ball Joint Socket Catalog: Parts: Hero Factory 589  87798  Hero Factory Leg Guard Catalog: Parts: Hero Factory 1  92228  Hero Factory Mask, Wolf (Bulk) Catalog: Parts: Hero Factory 1  92234  Hero Factory Spine Armor, Flexible Catalog: Parts: Hero Factory 1  15362  Hero Factory Weapon, Blade Wide Curved Catalog: Parts: Hero Factory 715