At the AAI site they say it's for elementary and pre-school, but would they be acceptable for home use by a single adult?
http://www.americanathletic.com/gymnast ... 00-pb.html
for sale here:
http://www.onlinesports.com/p/100-serie ... 5-116.html
They also sell the rails for those; any idea how hard it'd be to rig them into cheapo homemade stands? That'd be ideal, probably... After trying to walk on the metal ones at santa monica beach, I'm thinking it might be worth the extra cost.