Queen bed with twin trundle - IKEA hack. Doesn't really explain the queen bed part of the deal as much as I'd like.
NEW Daybed with Trundle in White, Cherry Bedroom Furniture Twin Bed 12 / 12 Slat #Poundex #Contemporary
Broyhill Kids Marco Island Twin Captain's Bed with Trundle Bed and Drawers - Gray
Cecilie Youth PU Headboard Bed in White by Acme Furniture
Baxton Studio Swamson Modern and Contemporary Beige Fabric Tufted Twin Size Daybed with Roll-out Trundle Guest Bed - Light Beige