BEVERLY ENTERPRISES INC. AkunDa 3D Puzzle It's a 3D puzzle box that you can hide your engagement ring or secret savings. When all 6 sides are completed, you will find a secret room inside of the puzzle just like you've unlock a treasure box! You can hide a secret letter, secret savings, a USB memory stick, jewelry or a key inside. This puzzle will let you not only play with a regular puzzle but also the pleasure of getting a secret treasure just like Indiana Jones. Strapya World ships all items directly from Japan