Summary It's a lightcube with lithophane. (NO Light included^^) You can make a lightcube with 4 side plates and 1 top plate. After assemble, It's size is 80x80x80 (mm) You can change picture to your own picture by PICtart, android app(commercial). PICtart https://play.google.com/store/apps/details?id=com.prinpla.eggtart PICtart FREE (Can't save some frames) https://play.google.com/store/apps/details?id=com.prinpla.eggtartfree