Sandy Collection : Scrapbooking (We have so much beach glass, shells, rocks, miscellaneous items from our time spent at the beaches around here, that I know my kids would have fun with this one.
Loose parts invitation from Superheroes, Princesses & Monsters Mish-Mash - Stimulating Learning
Natural play helps children learn: Using Loose Parts for Play.
Counting with loose parts- number puzzle pieces perhaps?
Lots of creative activities using rocks, stones, and pebbles fro Stimulating Learning with Rachel
Draw lines on paper offer loose parts to children to use to trace lines.