A new puzzle box, every week.

Slide the pins. Turn the dials. Find the order that lets the lid go. Rolo the kingfisher keeps the key, and she isn’t giving it up easily.

Coming soon to iPhone. The first box is free.

Rolo, a low-poly kingfisher, perched on a teal puzzle box by a river at dusk

Drag to spin the box

One box a week

Each box is its own contraption of pins, dials and latches. A new one arrives every week.

Start for free

The first box costs nothing. A monthly subscription opens the ones that follow.

Stuck? Ask Rolo

She has watched every box being built, and she’ll point out your next move.