6145 Crystal Crawler is a small Aquanauts set. It has two harpoons on the front as weapons, as well as two propellers. It also has two propellers in the back, even though is has wheels. It has two claws for grabbing crystals or enemies. The set is almost entirely yellow, with some black mixed in. At the back are two diving flippers. The vehicle is piloted by an Aquanaut. The set also includes a bush of seaweed.
