[longneckdeer]

We had a sandbox account log in at the registration page, but after some testing we found that it made a lot of people who would have signed up just go to the sandbox instead.

The original page is here: http://www.ragic.com/intl/en/registerSandbox

For people who would like to use the sandbox instead.

[sidmalanado]

You could generate a unique key for each visitor as a sandbox user and then give the prompt to convert to a full account once the user has started interacting with the site. Be sure to make it non-intrusive though.

See how they have done it on https://hollyapp.com/

It took me a while to find that link again, but I thought it was worth it as an example.

Good luck.