an original design incorporating the efficiency of a rocket stove into the design of a pizza oven This will reduce the amount of fuel and time required to heat your oven and also stops the oven from spewing smoke out constantly. It burns almost perfectly clean. Check out my website (http://lhalfo011.wix.com/rocket-vs-oven) where I talk about the science behind how it does this.
15 BEAUTIFULLY PRACTICAL Cob Ovens & How to Build One Yourself | Off Grid World
This would be great at a garden, backyard. Milo will love it.
insect hotel all of us can do this, e.g. with kids