Carbon butterfly
An amazingly small radio-controlled airplane weighing only 3.6 grams, which is called “Carbon Butterfly Indoor Flyer”.
It is made mainly of carbon fiber, powered by a tiny Li-ion battery. True, the toy is rather not children's - its price is $ 299.99. More details
here .
It is made mainly of carbon fiber, powered by a tiny Li-ion battery. True, the toy is rather not children's - its price is $ 299.99. More details
here .