I just realized that Grandma Marilyn had her own version of a junk journal/ art journal/ smashbook, decades before they became a trend! She had little notebooks similar to this, in which she doodled and glued magazine clippings with artsy stuff.
Fourth of July Firework Salt Painting - Busy Mommy Media _ This is such a cool art project for kids! It looks so neat when it is done. I love that it uses stuff I already have on hand. This would be awesome for a rainy day activity!