What is the best way to add detail to sentence 5 with a prepositional phrase?

"I'll trade you a tortilla for my chips," Amanda said as soon as she saw the aluminum foil glimmer.

"I'll trade you a tortilla for my chips," Amanda said as soon as she saw the aluminum foil in Adrianna's hand.

"I'll trade you a tortilla for my chips," Amanda said as soon as she saw the aluminum foil's silver reflection.
"I'll trade you a tortilla for my chips," Amanda said as soon as she saw the shiny aluminum foil.