Unusual Animals
Happy Accidents
Countries Around the World
Sports Players
Book Series
400

This Australian mammal lays eggs and has a duck‑like bill.


 Platypus


400

This sweet frozen treat was invented when a child left a flavored drink outside with a stick in it.


The Popsicle


400

This country is home to the Eiffel Tower.


France


400

This basketball legend is known as “King James.”

LeBron James


400

 This fantasy series follows four siblings who enter a magical world through a wardrobe.


 The Chronicles of Narnia

800

This deep‑sea creature is known for its glowing lure used to attract prey.


 Anglerfish


800

This sticky office supply was created when a scientist accidentally made a weak adhesive.


Post‑it Notes


800

 This country has the largest population in the world.


India


800

DAILY DOUBLE This soccer star from Argentina won multiple Ballon d’Or awards.


Lionel Messi


800

This series features a boy detective and his loyal dog solving mysteries.


 Encyclopedia Brown

1200

This tiny primate has enormous eyes and is known for its silent leaps.


Tarsier


1200

This famous snack food was invented when a chef sliced potatoes too thin out of frustration.


 Potato chips


1200

This South American country is known for its Amazon rainforest.


Brazil


1200

This tennis player has won more Grand Slam singles titles than any other woman.


Serena Williams


1200

 This dystopian trilogy begins with a deadly televised competition.


The Hunger Games

1600

 DAILY DOUBLE This armored mammal can roll into a ball for protection.


 Armadillo


1600

This microwave‑cooking device was invented after a scientist noticed a candy bar melting in his pocket.


 The microwave oven


1600

This island nation is famous for its geothermal activity and Viking heritage.


Iceland


1600

 This NFL quarterback is known for winning seven Super Bowls.


Tom Brady


1600

This series follows a young demigod who discovers he is the son of Poseidon.


 Percy Jackson & the Olympians

2000

This rare marine animal is the only known fish with a completely transparent head.


Barreleye fish


2000

 This colorful modeling compound was originally meant to clean wallpaper.


 Play‑Doh


2000

This African country has three capital cities and is home to Table Mountain.


 South Africa


2000

This Olympic swimmer holds the record for the most medals in history.


 Michael Phelps


2000

This epic fantasy series is known for its massive world, political intrigue, and dragons.



 A Song of Ice and Fire