7 is a bit young I got my first Proper laser at 13.
And with what you are saying about a laser that points far and being able to see the beam in the dark Would still cause eye damage especially when handled by a 7 year old.
Maybe buy him one of those cheap red lasers first and see if he is...
AHH Good :)
well done For that sort of power you NEED goggles :)
Well i have literaly just ordered a DX 200mW
with some dragon laser goggles
If you want a cheap respected Awesomely priced laser :)
NOTE:this does not come with batteries (links below)
Btw here is some helpful links to...