"Something like patches and badges mentioned elsewhere, but my teacher head says to award tags that can go on a key ring or lanyard, or maybe beads on a paracord bracelet, thus avoiding problems with having to wear some sort of uniform clothing, yet still tapping in to the same urge to collect that makes a fortune for the inventors of Pokemon." From an otherwise unrelated email on a list I'm on. Thought it made a ton of sense and am passing it on! Rachel M