Micro Flying Machine is the World

Interactive's infra red Da Vinci Micro Flying Machine is probably the smallest remote controlled ornithopter in the world.
With a six inch wingspan and weighing just four grams, Flying Toys tiny indoor flapper is sure to cause a sensation wherever its flown!...

Wingspan: 150mm (6") Weight: 3.5g Lithium Polymer flight battery charges direct from the transmitter. Charging Time: 20-30 minutes for full charge. Flight Duration: Approximately 5 minutes.
Includes 2 channel infra red transmitter, receiver and instructions. 4 x AA Alkaline batteries required for transmitter.