It seems that Jackson Goldstone & Canfield Brothers are more and more closed.
This new pic shows the rider with its brand new Canfield Bros DH bike – the KDH – on a version that looks definitive.

The 10 yo rider has participated to the development of the bike – here is a video filmed on the A-line.. some good images to understand why Jackson is considered as one of the most talented and promising rider in activity

ONE LAP: Jackson Goldstone, A-Line, Whistler – More Mountain Bike Videos