DIY Drawing and tracing using shadows: great craft/art for kids too. "Nature and shadow- what if we take out the paints and paint in the lines…."… great idea for tracing. Take a quick pic then don't have to worry about sun changing places.
How to build a Bug Hotel :: Garden activities for curious kids
Richard Shilling on Land Art for Kids what a great idea for outside leaf/nature sculptures. make sure to watch an andy goldsworthy documentary too! Should you appreciate arts and crafts you really will really like this site!
How many triangles can you make with 9 sticks? Or older kids, Who can use these 9 sticks to make the most triangles? Kids can reinforce geometry and critical thinking skills through creating various shapes with sticks.