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President Barack Obama blows a bubble from a wand made with a 3D printer by nine-year-old Jacob Leggette at the White House Science Fair in Washington on April 13, 2016.
President Barack Obama blows a bubble from a wand made with a 3D printer by nine-year-old Jacob Leggette at the White House Science Fair in Washington on April 13, 2016.Win McNamee—Press Pool/EPA
President Barack Obama blows a bubble from a wand made with a 3D printer by nine-year-old Jacob Leggette at the White House Science Fair in Washington on April 13, 2016.
Democratic presidential candidate, Vermont Sen. Bernie Sanders speaks at a campaign rally on the boardwalk in Coney Island, New York on April 10, 2016.
Senator Bernie Sanders stands on a stool as he speaks at a Verizon workers picket line, on April 13, 2016, in the Brooklyn borough of New York.
Republican presidential candidate Donald Trump tosses off his overcoat during a campaign event in Rome, N.Y. on April 12, 2016.
Men dressed up as Jake and Elwood Blues from the Blues Brothers movie attend a campaign event for Donald Trump in Rome, N.Y. on April 12, 2016.
Republican presidential candidate, Ohioh Gov. John Kasich talks to reporters from his car in New York on April 12, 2016.
Patrons, security personnel, and members of the community gather to listen to Democratic presidential candidate Hillary Clinton during a visit to the Jackson Diner in New York's Queens borough on April 11, 2016.
A supporter of Hillary Clinton stands with a painting at the National Action Network's 25th Annual Convention in New York on April 13, 2016.
A man takes a picture of Sen. Bernie Sanders (D-VT) and his wife Jane at the Van Dam diner on April 9, 2016 in New York's Queens borough.
President Barack Obama blows a bubble from a wand made with a 3D printer by nine-year-old Jacob Leggette at the White Ho
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Win McNamee—Press Pool/EPA
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The Surprising Political Photographs of the Week

The scene is unusual. As President Barack Obama reviews the different science projects presented to him at the White House Science Fair, he blows a bubble from a wand made with a 3D printer by nine-year-old Jacob Leggette. It's one of the surprising political photographs of the week, and so is Carlo Allegri's photograph of Republican presidential candidate Donald Trump, who is seen tossing his coat to the side. Frozen in time, the image embodies the candidate's rough week as Trump faced more questions about his team's preparedness.

——TIME’s selection of the Surprising Political Photographs of the Week is published every Thursday.

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