I like this monochromatic scheme. Choose a colour and demonstrate how to make shades or tints of one colour. All you need is white and one colour. The landscapes are simple. If you choose this project let me know we can get you individual canvases that will be sold as one complete artwork. Two to three students can work on one panel.
Viola! Here are value, hue, tint, and shade visually defined in this wonderfully succinct scaled explanation!
Weaving placemats or coasters with cardboard and yarn or embroidery floss
Weaving placemats or coasters with cardboard and yarn or embroider