Normal price shipped outside the US is $250US.
I have three sets remaining that I'll discount if you e-mail me asd mention you area a Boxertrix inmate.
order@rapiddog.netJust a note, there is a British maker (that I will not name), who has copied my design.
I guess I should be impressed,
You can buy from that shop or from the original at a discount.

"...the burble of my exhaust unwound like a long cord behind me. Soon my speed snapped it, and I heard only the cry of the wind...." Larry of Arubia