When the robot vacuum cleaner was first invented in the 1980s, it was more a toy than a genuine household appliance. With large flashing red eyes and arms, carrying a dainty dustpan and brush ...

Tucked inside the robot is a version of the very first Tamagotchi in gold chrome to mark Chogokin's 50th anniversary. Pre-orders for the toy set began on November 1, and it will go on sale next May.