[quote=The-Shoveler]The good thing about blocks is you can put them at an angle to make them fairly stable, and they won’t suddenly deflate on you LOL. (seriously I have seen that happen, it’s does not end well if someone is under it).[/quote]

I’ve see the really cool foam based ramps…
http://www.carid.com/race-ramps/sport-ramps-mpn-rr-40.html?gclid=CjwKEAiArqKmBRCOj_qfmuqinnYSJAAkAYwG-_2Khi-O9mSzvexpuolV2YYQQs71ZxKwP5XSfxLX1xoCVUvw_wcB