Three sleeping spots fit into the footprint of one twin bed: a twin over twin bunk plus a roll-out trundle riding on four casters. The solid pine frame separates into two standalone twin beds once children outgrow the stack, and 12-in full-length guardrails ring the top deck. Upper and lower bunks each hold 350-lb while the trundle carries 175-lb, all on wood slats that skip the box spring. A built-in 3-step ladder keeps the climb inside the frame, so nothing juts into a shared bedroom walkway.