Cultivate a movable banquet; you could make a try for spring greens inside your old wagon. Naturally, it could give you great look for your yard. Furthermore, you could shift them to the shady place in the summer heats.
Make a hole at the bottom of your wagon so that the extra water gets out through them. If not too much of moisture would cause your lettuce to rot. While making the selection of the containers, select it creatively, you could also make use of old toys and shopping carts. Place the containers in a line and fill them with good-quality mix. After these set up make your plantation in the containers, you could insert small annuals like sweet alyssum on the sides to give you additional look.
