Red Magnets Clues
Scroll down for more clues and the answer.
Clue 1
The magnets would be attracted to something. Have you seen any references to attraction on the evidence sheet?
Clue 2
Try putting the magents on the framed corkboard in the chest and see if they stick anywhere. Look at the words they cover up when stuck,
Answer
The words covered up by the magents could also be numbers - 1428