Sean snapped his fingers quietly when Yolanda asked him about his power "Shit, sorry I kinda forgot." He then looked at her sternly for a moment "Y'see I can make people's organs explode." Sean said in a hushed yet dramatic tone. "Haha, nah I'm juat kidding check this out." Sean said as he laughed of hia little joke and then took his backpack from his lap and slid it across the floor. It glided on the ground for a few seconds before slowing down and then coming to a complete stop. He watched to make sure Yolanda was watching the backpack and as soon as it stopped he spoke "Hey." 

By the time she turned her head to face Sean, she would be met with his backpack. "Whatcha' lookin' over there?" Sean called from the exact spot his backpack had been on the ground. It was a dumb, flashy trick but none the less got his point across. "I can trade places with things." He said, having returned to sitting in the bench. "As long as I can see it and it's not too far I can switch. I can also switch stuff I'm holding or have on me, it's kind handy y'know?"