The Power of Art - I love the presentation and visual organization of the materials. The black shelves allow the colors to appear vibrant and easily distinguishable. The paint chips are a wonderful way to show hues and gradient.
Experiment with liquids! Using shaving cream, water, and vinegar mix with water color in different jars to watch how density affects the colored liquid. Color Lab Science is a great exercise for teaching kids about science via No Time For Flash Cards