Collect a number of recycled tires and paint them with children. After painting all tires, place them into the shape of a flower, add dirt and plants. Assist children with planting flowers and watering them afterwards. The tires can be sourced from home,
How to build the perfect raised bed: Rake the existing soil at the bottom of the bed to level it, then tamp it smooth. Line the bed with hardware cloth to keep out gophers and moles; trim the cloth with shears to fit around corner posts.