How to Homeschool a 7 Year Old Boy

like I know.

but we've found something that's helped this year: Deconstruction.

 
After a really good day (or week) of diligence and hard work, my Samuel may earn a broken something to deconstruct, like this electric broom.   

How do you motivate your littles?  When we run out of broken stuff, I'll need some ideas, or some petty cash for the thrift stores...