Creative play ideas that incorporate nature study abound all over the internet. Here are a few links to get you started. Click on the source link below each picture to go directly to each site.
Objects found on a nature walk become nature-based crafts.
Source: momenttomomentdk.blogspot.com
15 Crafts Inspired by the Great Outdoors
Source: blogs.babble.com
Craft Idea for Toddlers
Source: familyfun.go.com
Make a Bug!
Source: fun-stuff-to-do.com