I carry one that really draws a crowd when its pointed in the trees. With tree leaves in the mix you can't really pick out any kind of a pattern. Just slow it down and it looks like firefly mating season in the tree.
HERE is what is looks like in someone's room.
Search Laser Projector on eBay. They can be had from $10-20
Jeff - WA6EQU
'06 Itasca Meridian 34H, CAT C7/350