Horror of Horrors!

"Forget about the warning," you scoff. "I need to open the suitcase now."
"Whatever," Will grumbles. "But hurry up. This whole thing is giving me the creeps."
You lift the lid of the suitcase and you find bottles, boxes, lumpy velvet bags, ropes, rings, juggler's pins...but no Ralph.
You pick up the box of Disappearing Powder. Ralph must be invisible, you think.
You read the label. In big red letters it says BEST QUALITY. PERMANENT IN HALF AN HOUR OR YOUR MONEY BACK.
Half an hour? You squint at your watch, but it's hard to see in the dark. Still holding the box, you lift your wrist up to your eyes.
"So where's the dog?" Will demands.
Uh-oh. Before you can answer, you feel a sneeze coming. You try to hold it back, but...