Use an old tire to create a small backyard pond. My kids, 3 sons, have been helping with yard work and planting. They keep asking for a pond. I think this is a great DIY project to do outside with them. Looks simple.
Garden bench built into rendered retaining wall. I like the way trees are also in the planter to create two layers, plus a narrow planting at foot of retaining wall and under garden seat. - Gardening And Patio