16 105 854 könyv 175 nyelven
Nem vált be? Semmi gond! Nálunk 30 napon belül visszaküldheti
Ajándékutalvánnyal nem nyúlhat mellé. A megajándékozott az ajándékutalványért bármit választhat kínálatunkból.
30 nap a termék visszaküldésére
People have taken dangerous risks trying to fly. Some inventors built wings for their arms and flapped them like birds. Some built balloons. Some built machines that glided with the wind. It wasn't easy, though, and it took a long time and much experimentation until people invented the airplane. Read and find out how people learned to fly.