Simon and Marion discuss bike traffic problems in Paris, which are exacerbated by the proliferation of bike rental services. Simon also explains to Marion how to use Vélib'.

Sandra continues to explain the different colors of the color wheel. She also gives a great explanation of complementary colors and how to obtain the best color combinations.

Simon and Marion want to visit a museum and are trying to figure out the best option. Which one will they choose?

Sandra introduces Marie to the color wheel and shows her how to mix colors together. Marie is very eager to learn!