Like many kids, Max Schlienger grew up playing with toy trains. But his fascination with the vehicles didn’t fade as he got older. At age 89, the retired engineer is finding new ways to indulge his train obsession. His latest project is a functioning train set that cuts through his vineyard in Mendocino, California.

His invention, dubbed the “Vector System,” is one-sixth the size of an actual train. Instead of traditional locomotive means, the cars are powered by a magnet and pneumatic tube setup first conceived in the Victorian era. For a look at how it works, watch the video from WIRED below:

[h/t WIRED]