i'm a sucker for anything geometric, and this puzzle is no exception. cella, designed by peer clahson, is a lovely wooden puzzle that has endless configurations and would make for a wonderful desk-gift for an architect or anyone who likes to fidget and put things together and then take them apart. cella comes with 9 "shells" and is made of sustainably harvested maple wood with non-toxic paints. you can buy cella for $198 at branch home. enjoy!