You'd expect there would be no ordinary playhouse for the toddler of two architects. A couple in Beijing carved a playhouse into a giant cube of foam core. The inside is lit from a small skylight, and it took the pair two months to create the cave's nooks and crannies. Fitting a few small children or one thin adult, the cave is nearly soundproof, perfect for reading or napping.

In other news, Grand Central gets a centennial stamp, and the magenta tiger-striped sofa in January's Architectural Digest is so Kelly Wearstler. See the headlines after the jump.

• The Ultimate Portable Playhouse For Toddlers | Co.Design
• New Stamp Celebrates Grand Central's 100th Year | Gothamist
• Kelly Wearstler Designs a Bold Bel Air Home | Architectural Digest

(Image: via Co.Design)