"I hear you're quite the sleuths." Nils's mother is onto you and your cousin, Pippa. She knows that you are good at solving mysteries, and now she has a new one. Who is stealing Nils's lunch every day?

Pippa needs your help to discover all the clues. You decide where to look and when, and once you have done your investigation, see if you can solve the mystery before Pippa does!