**The Challenge**: Draw a large shape. Then place a large circle inside that shape, touching at least one edge of the original shape. Then draw the next largest circle you can, and repeat drawing the next largest circle you can. (See video below for examples.)

*Materials Needed*: Writing utensil, paper.*Math concepts* *you could explore with this challenge: :* Ratios, radius, tangency (tangent circles), proportions, area, perimeter, fractals, geometry