In the U.S.A.:

This wobble board is sold by the following three companies. The only differences in their product are the board’s logo, the fulcrum’s color and that the Cathe product includes a video disk of exercises done with several pieces of fitness equipment, including a wobble board.

model name: Amber Sporting Goods Tri Level Balance Board

http://www.fitnessequipmentandmore.com Type “ABB” in the searchbox there.

model name: Valeo Tri-Level Balance Board

http://www.supplementwarehouse.com Type “balance board” (not “Tri-Level Balance Board”) in the searchbox there.

model name: Cathe Adjustable Core Balance Board

http://www.shopcathe.com Type “balance board” in the searchbox there.

The diameter of the board of the above model(s) is 14 inches (35.5 centimeters).

In Europe:

A version of the above model whose board's diameter is 16 inches (41 centimeters) is available at this address: