I thought this would be more of a challenge than it turned out to be. We painted these on canvas with acrylics although most of the kids have never seen a birch tree. First we tore painters tape into strips and put them onto the camas over a single line. I had said we didn't need to do the reflections but several of the kids or adults took those on too. Best part was the ooohs and aaaahs when they peeled off the tape.