President Trump’s re-election campaign is taking aim at Democratic challenger Joe Biden over his touting of “shovel ready jobs” by resurfacing conservative criticism of the Obama administration's famous stimulus plan.

The former vice president and presumptive Democratic presidential nominee on Tuesday unveiled a 10-year,  $775 billion plan to create universal preschool for 3- and 4-year-old children, build new child care facilities, and expand access to a wider array of long-term care options for seniors.

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Biden said the plan would put 3 million Americans to work in new care and education jobs – and predicts that if enacted, it would increase overall employment by about 5 million after taking into account the economic impact of increased labor force participation when unpaid caregivers are freed up to pursue paid careers.

During a speech in New Castle, Delaware, as he unveiled the proposal, Biden spotlighted his job as vice president helping to steer the 2009 stimulus implemented by President Obama.

“I'm the guy you may remember who managed the Recovery Act of $800-plus billion dollars. I always focused on shovel ready jobs, what we can do immediately to get the money out communities,” Biden said.

Emphasizing his new plan, Biden stressed that “that's what care jobs are. They’re shovel ready. The workers are ready now. These jobs can be filled now. Allowing millions of people, primarily women, to get back to work, increasing the growth in the GDP and family income. That’s the right thing to do for our families and our most essential workers and it’s the smart thing to do for our economy.”

The Trump campaign took aim at Biden.

“Joe Biden just promised 'shovel-ready' jobs. Where have we heard this before?” tweeted Trump campaign rapid response director Andrew Clark. “Biden promised 'shovel-ready' jobs the last time he was in charge. Instead, he created (in his own words!) a 'depression for millions and millions of Americans.'"

Clark’s tweet included a video of snippets of Biden from speeches and interviews during the 2012 presidential campaign – as he and Obama successfully won re-election – discussing an economy that was sluggishly recovering from the Great Recession.

Most economists have said the stimulus – officially known as the American Recovery and Reinvestment Act – helped the economy rebound. And the more than 13,000 projects initiated by the stimulus and carried out through the Federal Highway Administration ended up improving thousands of miles of highways, roads and bridges.

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But the stimulus also received plenty of criticism over efficiency – with Republicans pointing out that many of the infrastructure projects weren’t “shovel ready” as promised.

Biden campaign rapid response director Andrew Bates, responding to a second Clark tweet taking aim at Biden over the “shovel ready” comments, targeted the president’s handling of the economy.

“Trump's record: driving American manufacturing into a recession and killing tens of millions of jobs. We took office during what was, before Trump's recent handiwork, the worst downturn since the Great Depression - & replaced it with the longest streak of U.S. job growth ever,” Bates charged.