When a goo monster crashes the science fair, the Princess in Black is on the job, and with the help of the Princess in Blankets, sets out to save the science fair.

"Seventh grader Wendy Toledo knows that black holes and immigration police have one thing in common: they can both make things disappear without a trace. When her family moves to a new all-American neighborhood, Wendy knows the plan: keep her head down, build a telescope that will win the science fair, and stay on her family's safe orbit. But that's easier said than done when there's a woman hiding out from ICE agents in the church across the alley,...

When all the second grade students must enter the science fair, which has global warming as its theme, best friends Ivy and Bean team up to create an unusual project.

A forgotten homemade robot comes to life just when aspiring fifth-grade scientist Maya needs a friend - and a science fair project.

When Heidi is paired with Stanley, her worst enemy's best friend, for the Brewster Science Fair and she suddenly starts getting notes from a secret admirer, she tries to use magic to discover the note-writer's identity.

Mean Mrs. Green says that everyone has to invent something for the school science fair. But everyone would rather invent a way to get out of it! Hubie can't decide on what he's going to do. He thinks all the good inventions have been done already. And all of his friends have figured out what they are going to do. He tries to decide between cloning himself or building a laugh machine. After a bad dream about cloning, he decides to build a laugh machine....

When Jeremy is entrusted with Professor Twitchett's creation, a jackalope, he must find a way to keep it safe from the government agents who want it for their own purposes.

Aspiring to win the science fair with a project that proves that cupcakes are good for you, Alexis finds her ambitions challenged by her crush's association with another girl and a cupcake order for a mean girl's sweet sixteen.

Prankenstein strikes again! The Summer Science Showdown is just around the corner, and Stink is positive that he has the recipe for a winning entry. Soon he's acting like a mad scientist, with strong-smelling potions in hand and visions of super tomatoes dancing in his head. Judy takes one look at her busy brainiac brother and sees a situation ripe for a little mischief! Everyone knows that Judy has never met a practical joke she doesn't like, and...

When his teacher announces that there will be a science fair in a few weeks, a young boy is worried. He doesn't like science. Science is hard! But when his mom tells him to "look for the science in your life," he knows just what his project will be! By doing research, asking his friends for help, and not giving up, the boy learns that science can be really fun. Now that's smart.