Get the kids tracing lines to match the decoration to the tree! Once that's all done then get them to colour it in! NOTE: I've also tried this as a sticker tracing worksheet which the kids LOVE!
EASY BEGINNER WATERCOLOR TECHNIQUES-Inkstruck Studio
Get to know all about using salt, paper towels and masking fluid in this informative post on easy beginner watercolor techniques.Learn it the easy way!