The camper-trailers were invented in 1968 by Winnipegger Ray Olecko, based on the fibreglass septic tank he had patented the previous year. "It's an upside down septic tank," said Mooyman.

A convoy of tiny, odd-looking Boler trailers made their way through Saskatoon on Monday. This convoy of 13 trailers is coming from across Western Canada, and their trek is taking them all the way ...

In honour of the compact trailer's 50th anniversary, a massive gathering of Boler owners is planned for Aug. 15-19 at Red River Exhibition Park on the western outskirts of Winnipeg.

CBC producer Nichole Huck packed up her young family in a Boler and attended the largest gathering for the egg-shaped trailers in Canadian history.

The made-in-Manitoba Boler trailer turns 50 this year and more than 450 of the campers from across North America will ramble into Winnipeg on Wednesday.