How to download material from 3dwarehouse with SketchUp WEB?

I checked the latest releasenote, but there is no link for materials on 3dwarehouse browser’s detail page.
How to download material from 3dwarehouse with SketchUp WEB ?
Is there any way to do it differently from the desktop version?

‘Check out Labs’

Thank you for rapid reply!

But maybe some problem happening on server.
Just rotating 3DWH icon on browser.
I will try later.