Riverside Children's Center, Inc. - Balance boards are great for developing core strength while improving balance, coordination and posture. Using a balance board can help to develop proprioception and body position awareness.
How to Make a Balance Board at Home - YouTube
This D.I.Y. Balance Board Will Improve Your Dirt Bike Riding! | FYDB
How To Make Your Own Balance Board And Improve Your Snowboard Balance
Simple diy wooden balance board in 4 steps. — Balance Training Forum
Home Made Balance Board: a Better Roller - Instructables
How to Build a Balance Board: 7 Steps (with Pictures) - wikiHow