We're reclaiming a bit of our front garden for the back & having a bit at the side of the house for the children. My fave ideas are for play gardens- an old stainless steel sink. Set on some blocks, ( I'm getting my parents old one which was my kitchen sink all through my childhood :) & then an old tractor tyre sunk in the ground for a climbing frame/tunnel.
Also delighted by my recent purchase of 2 log stores for an ugly corner of the garden-stocked with logs & kindling, it looks great!