Backtrack to the previous room and enter the door on the right side. In the next room, you'll have to collect five Silver Rupees. To get the first one, run off the ledge over the first boulder while wearing the Hover Boots. You'll find the other Silver Rupees in hol- l owed-out areas in the walls. When yo u ' ve collected all of the Rupees, destroy the Like Like and grab the Small Key out of the c h e s t .