Yeah they said leaf blower altho id use that keaf blower to make my own hovercraft

but yes im sure there is better and less noisy solutions

He did ask about the a DIY table and i just mentioned what i saw awhile ago

but rampy actually posted the build your own air hockey table 2 post up

so check that out
also check this out for a bit of fun

how to build your own human air hockey puck

its a homemade hovercraft as i mentioned above but the
www.howthingswork.com has better instructions on how to build 1