Is there something you should know about a pop up trundle bed?. Trundle beds are great inventions that save space when space is tight. A popup trundle that houses a second hidden frame and mattress can be any size, the hidden frame having the ability to slide in and out from the bottom of a twin, full, bunk beds, or daybed, the latter sometimes called a daybed trundle bed. Buy Broyhill Kids Marco Island Captain’s Bed with Trundle Bed and Drawers, Twin, Espresso, Twin-Sized Mattress (Not Included), Bunk Bed Alternative, Great for Sleepovers, Underbed Storage/Organization: Beds – Amazon.com FREE DELIVERY possible on eligible purchases (Before) When I put the beds side by side, there wasn’t enough space for them to (wrestle) play. Then it hit meunder not over. I came up with a plan to discretely store one bed under the other, like a trundle bed. Remarkably Refined, The Grandover Daybed Is A Stunning Centerpiece In Any Room. Constructed Of Solid Wood For Strong Support And Long Life, This Piece Is Upholstered In A Rich Cream Fabric With The Back And Side Panels Rimmed With Antique Brass Finished Nail Heads To Add A Dimension Of Detail To The Entire Look. .