Chinese history - A great tutorial for scratch your own Ming vases. scratch away the paint to reveal blue underneath. You could also do black and clay colors for Greek pottery or do different cultures such as Asia, Ancient Greece, etc.
These 'modern art' hidden Easter Egg and Rabbit worksheets are a challenging creative activity for kids. They can help young artists and designers explore graphic design,pattern, shape and the impact of different color palettes - warm, cool tones etc.