Two reasons why I'll pass on the offer:

1) This can be converted to run a white incancent bulb in about 2 minutes if you have a spare AAA in your kit. By the same token, if you want to boost the output level, put in an extra battery over the three I mentioned. And you can change colors pretty easily. (ok, that is 1a, 1b, 1c)

2) Solitaire $5
enough batteies for 4 changes <@2
spring ~25 cents
small steel bolt free, easily scrounged
LED about 60 cents through RS
(ouch- you can find them as low a cent in bulk packs)

Less than half the cost. About the cost of the S&H. For Scouts, that is a big facotr. It is also a good project to show kids how to build and modify thier gear better suit thier needs.