The blue/yellow/red toys are Wader brand. The dump truck can be locked closed to transport a load of dirt, and there is a hitch to attach the second dump trailer. The cement mixer can also be locked closed and there is a knob for mixing cement that turns the barrel. The water tanker truck can be filled from the top and has a release valve in the back. The green toys are Little Tykes brand and also scoop and dump. They are all really cool sand box toys.