The Minion Jetpack is a gadget which can be used in Minion Races in Despicable Me: Minion Rush. When equipping this gadget, the minion can move much faster than the other two minions, and they can go through obstacles instead of decreasing the speed when bump into them.
The gadget was a rare prize in winning streak of Gadget Mayhem! race, and now it can only be bought by real money, which can be found in Champion bundle pack that contains 12 Minion Jetpacks and 12 Mega Bombs and costs $4.99.