When the alarm goes of in the morning, a part of the alarm clock (The black ping-pong with propeller blades) starts to spin, and takes off into the air to land somewhere in your bedroom.
The toilet roll holder which reminds your guests of what you record on the toilet roll holder. E.g. "Remember to flush and wash your hands" or "Toilet Olympics 5 points" or "The best result of today". This year's gift hit!