Bakugan , Fused Dragonoid x Tretorous, 2-inch Tall Armored Alliance Collectible Action Figure and Trading Card, Throwing spinning top, 6 yr(s) Bakugan , Fused Dragonoid x Tretorous, 2-inch Tall Armored Alliance Collectible Action Figure and Trading Card. Product type: Throwing spinning top, Recommended age (min): 6 yr(s), Recommended age (max): 15 yr(s)