OK, so I make the tree at AES, and the students make the Kandinsky circles.Based on Kandinsky Circles. Might be a fun classroom project. Teacher cuts out (or paints! Students create the circles for the branches.
Tutorial: DIY Geodes To make beautiful geodes in your own kitchen you need more patience and time than anything else! Here is the basic recipe to start you off in the world of beautiful geodes. Good idea for teachers!