A tiny toy helicopter made from cannibalised smartphones has been among the main attractions at a huge toy show in Tokyo.
The motor that makes a telephone vibrate provides the power for the rotor blades on the Nano-Falcon, which its makers say is the world's smallest radio-controlled helicopter.
The 6.5cm-long (2.4in) machine weighs just 11 grammes (0.385 ounces), has a range of five metres (15 feet) and can fly for five minutes.
Its makers say they are feeding the fantasies of adults who never really grew up.
View: Read more