Helicopter, airplane and rocket dot to dot game. Interesting facts:
In 1907 a primitive helicopter with two sets of rotors lifted French mechanic Paul Cornu off the ground for 20 seconds; The fastest helicopter is the Westland Lynx, which flew at 402 km/h in 1986; World's largest is Mi-12 - it is a Russian made Helicopter with only 2 prototypes ever built. Their wingspans are almost the size of Boeing 747.
Airplanes - There are approximately 200,000 flights every day around the world; You can fit 45 mid size automobiles on only one wing of a Boeing 747-400.
Robert Goddard built and launched the first liquid-fuel rocket in 1926. It was fuelled by gasoline and liquid oxygen, the flight lasting two and a half seconds.