I open it near my but while I fart to make a fart grenade. I bring the perfect vacuum to a research center to see what we can't glean from the scientific anomaly. The Present contains farts an apple!
/me smashes them together to make a HUUUUUUUUUUGE stack of gold paper The present contains Liquid Nitrogen
I freeze it to make nitrogen cubes The present contains... enough dynamite to make a second grand canyon
Reports the indecent to Mayor Mare and asks what I should do. The present contains a huge set of pony figures.
*Ignores any weaponry the blueprints have a paints it pink* "I call it the Love Star" The present contains, a potion of adorableness.
I reverse engineer it and then condense it into solid form. I am now one step closer to making a Fluttershy. The Present contains a container with infinite space and a resistance to weight.
i wrap it back up and give it to jett... the present contains a portal to equestria along with the ability to become a pony.