wobble board

British  

noun

1. a piece of fibreboard used as a musical instrument, producing a characteristic sound when flexed

---

Example Sentences

As a musician, Mr. Harris was known for his use of a colorful array of instruments, including the didgeridoo and the so-called wobble board — an instrument he invented that he featured in his best-known song, “Tie Me Kangaroo Down, Sport,” a novelty number about an Australian stockman’s dying wishes, which he wrote in 1957.

From New York Times

In 1993, his wobble board cover of Led Zeppelin's "Stairway to Heaven" also charted in Britain.

From Reuters

He performed with the Beatles, painted Queen Elizabeth's portrait and presented himself as the affable inventor of the novelty musical instrument, the wobble board.

From Reuters

If that move alone doesn’t challenge your balance, try it while closing your eyes, wearing goggles coated in Vaseline to distort your vision, standing on a piece of foam, wearing a backpack, holding dumbbells, standing on a Bosu ball and/or using a wobble board.

From Washington Post

Instead, in our apartment building in Yokohama, Wancott “Total Dog Service” offers a large indoor exercise area, as well as a gym with a hydrotherapy tank, a wobble board and a mini-treadmill, for rehabilitation from injuries and general fitness training.

From Washington Post