Challenge No. 1 - October 4, 2022

For a harder challenge, add a decoration at the end of each spoke or put a circle around it to make a bicycle wheel.

Challenge No. 2 - October 11, 2022

For a harder challenge, stamp the image of the turtle at each point.

Challenge No. 3 - October 18, 2022

For a harder challenge, vary the distances and angles.

Challenge No. 4 - October 25, 2022

For a more complex design, turn the turtles and repeat the design several times.