Tray is 11 cm x 8 cm x 2.5 cm / 4.3 in x 3.1 in x 1 in
This is the same as the "Pyramid IV" puzzle, except it is in a box/tray. The challenge is to remove the blocks from the tray, assemble the pyramid than return the blocks to the tray. An additional challenge is to build the pyramid in the tray.
A beautiful handmade, high quality wood puzzle by designer Bill Sheckels.