What are some popular souvenirs people take home when they visit the USA from Europe?
People visiting the USA from Europe often bring back souvenirs that reflect the country's unique culture and history. Some popular souvenirs include:

American-themed clothing and accessories, such as t-shirts, hats, and baseball caps
Food items, like packets of American pancake mix, peanut butter, or hot sauce
Cultural items, such as Native American dream catchers, turquoise jewelry, or cowboy hats
American-made products like Levis jeans, Nikes, and Converse sneakers
Regional items, like Mardi Gras beads from New Orleans or souvenirs from specific cities such as a NYC-themed fridge magnet
American flag merchandise, such as flags, pins, and stickers
American sweets, like Reese's Pieces, Snickers bars, and Twinkies.
Many of those are also available in ample supply in Europe as import products. What souvenirs would a European tourist easily find in the States, but find it difficult to get hold of back home?