DIY - Glow in the dark pots with mums for fall/Halloween. Buy a flower pot that you really like and use Rustoleum's Glow-in-the-dark paint to paint the pot. During the day, the paint will absorb the sunlight and at night the pots will glow.
L-shaped bench. Protect privacy - Pay attention to backgrounds. Mullins put a planter in the backside of the bench and filled it with Pittosporum tenuifolium, both to be a soft shield for anyone who sits there—and to add silver sheen to the space.
Outdoor shower/water day for kids.Could easily be made with hollow box uprights, run the water tube through one and the top hollow box with a PVC tube that you drill holes in for the water to run out. Faux paint it to look like copper, really pretty easy.