Memory stick

There was a flash and when Jon looked back the rock was gone. In its place was a plain-looking Memory stick  Jon held it in his hand and tested it. "I wish that my hair would be pink for the next ten seconds." The Stick glowed, just like the rock, and Jon saw that his hair changed to pink. And after ten seconds, Jon's hair changed back to its normal brown color. He put the stick in his computer to test out the other abilities