Playmobil Dragon Knights Tower. The mysterious Dragon Knights tower rises on a huge rock – the headquarters of the fearsome Dragon Knights. Two of them guard the fortress along with a mighty red dragon that is enthroned high on the tower so that no enemy can escape it. A rotating cannon on the rock repels all invaders – whether from the ground or from the air. Access to the interior is through a door. At the bottom of the rock there is a cave with a moving dragon head that closes the entrance. It can be used as a hideout or a dark dungeon.