Cardboard Tube Jellyfish Craft for Kids: Use an empty paper towel roll to make these unique and colorful jellyfish! Fun ocean art project to go with your unit on sea life. Provides fine motor practice (Diy Projects To Sell)
"Tsumiki" chalk building blocks by a Japanese company. This is such a cool idea for kids to design there toy with chalk and then redo it over and over again. I bet you could chalkboard paint wooden blocks and DIY.