Tanker, Ladder and Trailer additions for Truck - by UGearsTake your UGEARS Truck to the next level with the tanker, rescue ladder, and trailer chassis accessories! Just like the truck base, the puzzle is assembled simply by pressing out the precision cut plywood pieces from the puzzle kit and building them together piece by piece. No glue is required to build flexible, strong truck accessories with exceptional mechanical movement. Store a can of soda inside your gasoline tanker attachment, carry a heavy load