Last weekend, the National Building Museum in Washington, D.C., opened a 10,000 square-foot ball pit to the general public, and everyone cheered that, finally, someone made their childhood dreams come true.

“The Glasswinged butterfly (Greta oto) is a brush-footed butterfly, and is a member of the subfamily Danainae, tribe Ithomiini, subtribe Godyridina”. – Wikipedia.

A hogweed bonking beetle and yellow dung fly in a stalk standoff (the fly gave in), in Burley-in-Wharfedale, Yorkshire, England. (Photo by Rebecca Cole/Alamy Stock Photo)

Model Georgia Salpa attends the UK Premiere of “A Good Day To Die Hard” at Empire Leicester Square on February 7, 2013 in London, England. (Photo by UK Press)

English model Leomie Anderson attends a private view of “The Mandalorian And The Child”, a special portrait being unveiled in collaboration with the National Portrait Gallery, on October 29, 2020 in London, England. The portrait will be available to the public to view for free on the 30th and 31st of October, and marks the arrival of the highly anticipated second season of “The Mandalorian” on Disney+. (Photo by David M. Benett/Dave Benett/Getty Images for Disney+)

Co-hosts Kat Dennings (L) and Beth Behrs onstage at The 40th Annual People's Choice Awards show at Nokia Theatre LA Live on January 8, 2014 in Los Angeles, California. (Photo by Allen Berezovsky/WireImage)

In this image released on September 23, Madonna's daughter Lourdes “Lola” Leon is seen during Rihanna's Savage X Fenty Show Vol. 3 presented by Amazon Prime Video at The Westin Bonaventure Hotel & Suites in Los Angeles, California; and broadcast on September 24, 2021. (Photo by Kevin Mazur/Getty Images for Rihanna's Savage X Fenty Show Vol. 3 Presented by Amazon Prime Video)

Actor Hugh Laurie arrives at the premiere of Universal Pictures and Illumination Entertainment's 'HOP' at CityWalk on March 27, 2011 in Universal City, California.