Rick Woldenberg Photographer: Taylor Glascock/Bloomberg Photo by Taylor Glascock / Photographer: Taylor Glascock

(Bloomberg) — Ask Rick Woldenberg why he’s challenging President Donald Trump’s tariffs at the US Supreme Court, and he might mention a furry unicorn yoga ball.

Woldenberg, who runs two educational-toy businesses near Chicago, says the BubblePlush Yoga Ball Buddies, designed to help kids control their emotions, has been hit especially hard by Trump’s fluctuating global tariffs.

The BubblePlush, which also comes as a penguin or puppy, was slated to be made in China. But when Trump jacked up tariff rates to 145% on imports from that country in April, Woldenberg’s team scrambled to shift production to India, only to see Trump reduce the China duties and slap higher ones on I

See Full Page