Mason jar air freshener: Fill small mason jar about full w/baking soda, add drops of favorite essential oil, punch holes in lid. Occasionally, give the jar a gentle shake to boost air freshening power.
Can't remember those short cuts your children showed you on the computer? Here is a chart entitled the Essential Keyboard Shortcuts (grouped by type) that has the most commonly used computer shortcuts.
This is how they are teaching in the schools I have been in. Great math hack for your kids! I wish I knew this in elementary school. I don't teach multiplication any more this is a great idea for those few facts kids just have a tough time memorizing.