QB user miriam posted this recently: Time to pick up your toys in 30 seconds or less. and the minute I saw it I realized that a panel I'd bought on eBay some months ago had finally found a purpose. Also, I had cut the rectangular I-spy pieces, probably more than a year ago, with no particular plan. It all came together at last. It's 43" X 32"
The quilt side:
The play mat side: