painting like Michelangelo. Instead of just having sketching time- discover and study Michelangelo, how he hanged upside down while painting. This is also great for students struggling with fine motor hand writing. It builds strength in pincer grasp.
Learning basic sewing with a polystyrene plate, yarn, + plastic needle. I remember doing this with craft mesh when I was a kid and then graduating to sewing buttons by hand onto little pillows and pockets.