The knights have captured a troll warrior and locked him in the prison -- but the other troll warriors are on the attack to get him back! The knights must use all their strength and skills to battle the rolling siege tower with its bridge and swinging dragon-headed battering ram. Includes 2 knight and 3 troll warrior minifigures with armor and accessories! Swing the battering ram through the castle's wall to release the captured troll warrior! Pull the string on the rolling siege tower to extend the bridge to the prison! Rolling siege tower has 2 flick-fire and 2"(5cm) wide wheels! Troll warrior tower is 8" (20cm) tall and 5" (13cm) wide! Castle tower is over 8'½" (21cm) tall and 2'½" (6cm) wide!