A couple of years ago, while visiting the Sunday bird market in Hong Kong (get me, so cosmopolitan), I picked up a couple of seed scoops.
These looked like they had modelling uses and they were cheap and light enough to find space in my luggage.
Finally, I actually used one - for directing small amounts of flock powder along the edge of a building whilst avoiding the trackwork right next to it.
Trouble is, now I have a useful tool, I'd like to point people in the right direction to buy their own. "Head to the Hong Kong cage bird market" isn't much help and Google isn't any better.
Has anyone any ideas?