Democratic super PAC American Bridge 21st Century is taking opposition research to another level.

The liberal group plans to rent a loft near Quicken Loans Arena, site of this month’s Republican National Committee convention, to set up a makeshift “Trump museum” — a collection of articles, 6,000 video clips dating back to the 1980s and about 40 Trump-branded items including bottled water, vodka, golf balls, men’s ties and a child’s onesie.

Even an old Trump Institute manual will be on display.

The purpose? Highlight how the presumptive GOP nominee’s business practices contradict his rhetoric, and draw attention to his derogatory remarks about women, immigrants and people with disabilities, the group’s leaders said.

“It’s an opportunity for us to take the months of research we’ve done and put it into one place and tell the story of who Donald Trump is,” said American Bridge president Jessica Mackler.

The initial opening will be invite-only with just a few hundred “golden tickets” being mailed out to journalists and progressive groups. But all convention-goers will be able to go.

“Golden ticket” invites to Democratic super PAC American Bridge’s “Trump museum” at the GOP convention in Cleveland.

American Bridge receives donations from billionaire George Soros, tech billionaire Phillip “Terry” Ragon, retired software executive Paul Egerman, as well as labor unions. The group deploys staffers to closely track and film Republican lawmakers to capture gaffes or inconsistencies in their messaging. It recently aired an ad criticizing Sen. Rob Portman (R-Ohio) for supporting Trump.

In Cleveland, the group will have a dozen researchers and video trackers on site to capture Trump’s every move.

The four-day convention, which kicks off July 18, could be one of the most chaotic and unorthodox in the modern political era. Thousands of Trump detractors and supporters are expected to protest the convention. The Bush family, 2012 GOP presidential nominee Mitt Romney and a number of House and Senate Republicans are skipping the convention, and several corporate sponsors have pulled out or are tamping down their support.