The real photos in FFKidz lessons are free to use under open licenses. We thank the people who took them. Each one is listed here with its author and license, and links to where it came from.
Close up of keyboard keys with letters on them
Joe lope, CC BY-SA 4.0, via Wikimedia Commons
A laptop computer open on a table
Robert Kloosterhuis, CC BY 2.0, via Wikimedia Commons
A microphone next to its soft foam cover
Anonimski, CC0, via Wikimedia Commons
A microwave with a number screen and buttons to set the time
Mrbeastmodeallday, CC BY-SA 4.0, via Wikimedia Commons
A computer screen on a desk
Tyler Dziarmaga, CC BY-SA 3.0, via Wikimedia Commons
A white computer mouse with buttons and a wheel
Darkone, CC BY-SA 2.5, via Wikimedia Commons
A traffic light showing a red light
Unisouth, CC BY 3.0, via Wikimedia Commons
Two old pages of Al-Khwarizmi's algebra book, written in Arabic with little drawn boxes
Muhammad ibn Musa al-Khwarizmi, Bodleian Library manuscript, Public domain, via Wikimedia Commons
The courtyard of Al-Qarawiyyin with a green tile roof, arches and a fountain
Reda.bnhd, CC BY-SA 4.0, via Wikimedia Commons
Long thin strips of bamboo with old Chinese writing on them, in a museum
Gary Todd, CC0, via Wikimedia Commons
A line of camels walking together across sand dunes
Asfour hamza, CC BY-SA 4.0, via Wikimedia Commons
The tall carved brick gate of Rabati Malik, an old caravanserai in Uzbekistan
Bernard Gagnon, CC0, via Wikimedia Commons
An old round wooden compass from China with a needle in the middle
Etnografiska museet, CC BY 4.0, via Wikimedia Commons
A very old clay tablet with round marks that count grain
The Metropolitan Museum of Art, CC0, via Wikimedia Commons
A clay tablet covered in rows of small wedge shaped marks
The Metropolitan Museum of Art, CC0, via Wikimedia Commons
A big model of Al-Jazari's elephant clock, with a tall tower on the elephant's back
Jonathan Bowen, CC BY-SA 3.0, via Wikimedia Commons
The big stone pyramids of Giza in the desert under a blue sky
Ricardo Liberato, CC BY-SA 2.0, via Wikimedia Commons
A piece of stone carved with Egyptian picture writing, like an owl and a cat
The Metropolitan Museum of Art, CC0, via Wikimedia Commons
A small stone seal from the Indus Valley with an animal and writing, next to its print in clay
The Metropolitan Museum of Art, CC0, via Wikimedia Commons
The old brick ruins of Mohenjo-daro, with walls, steps and a big pool
Saqib Qayyum, CC BY-SA 3.0, via Wikimedia Commons
The Nile River seen from space, a green line winding through the desert
NASA Johnson Space Center, Public domain, via Wikimedia Commons
An old metal oil lamp with a spout for the flame and a ring handle
The Metropolitan Museum of Art, CC0, via Wikimedia Commons
Three reed pens with sharp tips stained with ink
Baba66, CC BY 2.5, via Wikimedia Commons
Al-Idrisi's big world map, with south at the top
Al-Idrisi, copy by Konrad Miller, Public domain, via Wikimedia Commons
The Tigris and Euphrates rivers joining together, seen from space, with farm fields around them
Earth Science and Remote Sensing Unit, NASA Johnson Space Center, Public domain, via Wikimedia Commons
A big wooden ship built to look like one of Zheng He's treasure ships
Vmenkov, CC BY-SA 3.0, via Wikimedia Commons
Big waves of sand dunes in the desert of Arabia
Nepenthes, CC BY-SA 3.0, via Wikimedia Commons
The Black Stone in its shiny silver frame on the Kaaba
Unknown author, CC BY-SA 4.0, via Wikimedia Commons
A long line of camels carrying bags across the desert sand
Sergey Pesterev, CC BY-SA 4.0, via Wikimedia Commons
The small opening of the Cave of Hira between big rocks
Nazli, Public domain, via Wikimedia Commons
Jabal al-Nour, the tall rocky mountain near Makkah
Wal N., CC BY 2.0, via Wikimedia Commons
The Kaaba, covered in black cloth with gold writing, in Makkah
Richard Mortel, CC BY 2.0, via Wikimedia Commons
The city of Makkah today, with houses between rocky hills
King Eliot, CC BY-SA 4.0, via Wikimedia Commons
Makkah from high above, with the Kaaba in the middle of the big mosque
Saudipics.com, CC BY-SA 4.0, via Wikimedia Commons
The Prophet’s Mosque in Madinah, with its green dome and tall towers
Konevi, CC0, via Wikimedia Commons
The rocks of Mount Safa inside the big mosque in Makkah
Swerveut, CC BY-SA 3.0, via Wikimedia Commons
Tall date palm trees growing in a green oasis in Arabia
trolvag, CC BY-SA 3.0, via Wikimedia Commons
A big flock of sheep with a shepherd, seen from high above
Azonesa, CC BY-SA 4.0, via Wikimedia Commons
The old top of the Zamzam well, now kept safe in a museum
Mohammad Bahareth, CC BY-SA 2.0, via Wikimedia Commons
A big apple tree full of red apples
Maseltov, CC BY-SA 2.0 de, via Wikimedia Commons
An astronaut jumping high on the Moon next to the moon lander
NASA / Charlie Duke, Public domain, via Wikimedia Commons
Trees with red, orange and yellow leaves in fall
DigbyDalton, CC BY-SA 4.0, via Wikimedia Commons
The seven bright stars of the Big Dipper in the night sky
BreakdownDiode, CC BY-SA 4.0, via Wikimedia Commons
A thin crescent Moon in the dark sky
Art Lupinacci, CC BY-SA 4.0, via Wikimedia Commons
Our planet Earth from space, with blue oceans and white clouds
NASA/Apollo 17 crew, Public domain, via Wikimedia Commons
Earth seen from space, with the sunny side bright and the night side dark
NASA, Public domain, via Wikimedia Commons
The full Moon with its gray rocks and craters
Gregory H. Revera, CC BY-SA 3.0, via Wikimedia Commons
Thin metal strings stretched across a guitar
David Monniaux, CC BY-SA 3.0, via Wikimedia Commons
The Hubble Space Telescope floating in space
NASA (Crew of STS-125), Public domain, via Wikimedia Commons
Tiny bits of steel standing up on the end of a magnet
Aney, CC BY-SA 3.0, via Wikimedia Commons
The Curiosity rover, a robot car, on the red dusty ground of Mars
NASA/JPL-Caltech/Malin Space Science Systems, Public domain, via Wikimedia Commons
An astronaut boot print in the gray dust on the Moon
NASA / Buzz Aldrin, Public domain, via Wikimedia Commons
A space shuttle lifting off with fire and big clouds of smoke
NASA/Tony Gray and Tom Farrar, Public domain, via Wikimedia Commons
Saturn and its wide rings
NASA / JPL / Space Science Institute, Public domain, via Wikimedia Commons
A metal bell with the clapper inside that hits it to ring
Kapoios2026, CC0, via Wikimedia Commons
The International Space Station high above Earth
NASA/Crew of STS-132, Public domain, via Wikimedia Commons
The Sun setting over the sea in an orange sky
Alvesgaspar, CC BY-SA 3.0, via Wikimedia Commons
A row of swings at a park playground
Michael Rivera, CC BY-SA 4.0, via Wikimedia Commons
The Sun, a giant glowing ball of light
NASA/SDO (AIA), Public domain, via Wikimedia Commons
Trees covered in thick white snow on a cold winter day
Muu-karhu, CC BY-SA 3.0, via Wikimedia Commons