In order to save their school, best friends Pearl, Millie, and Halinka invent a special hat that gives its wearer perfect hair, an expanded vocabulary, and more confidence, but they need to take action when a rival school steals their idea.

Frankie Sparks is excited about her town's team sled design contest but while she knows a lot about building a sled, she has much to learn about building a team. Includes information on the design process and a challenge.

Inventor Billy Sure has been trying to perfect an invisibility spray for a long time when another young inventor shows up with his own rival technique for becoming invisible.

"A.J. and the gang from Ella Mentery School start a company to sell their brand new invention-a heated, scented, talking toilet seat!"--publisher.

When Daisy Wheel misses seeing a rainbow over Doozer Creek, the Pod Squad decides to invent a machine to make a rainbow.

Griffin Bing and his friends are trying to locate Mr. Fielder's missing thirty million dollar lottery ticket, and thwart the local bully, Darren Vader, who wants to find it for himself--and Mr. Bing's latest invention may help.

The longstanding and galaxy-spanning war between cats and robots escalates when each learns of inventions designed to extend their lives, and the potential of the devices is revealed when two kittens come into the lives of twin siblings on Earth.

Twelve-year-old twins Katie and David Bowen evade foreign militants and make their way from Washington, D.C. to their uncle's Vermont home, hoping he can help rescue their parents, who were kidnapped because of their secret invention, Rover.

Hosting a televised special to invite other kids to share their ideas, inventor Billy Sure and his business partner, Manny, evaluate a wide range of wacky, wild, and potentially world-changing invention suggestions.

Former trapeze artist Amalie Vaughn moved to Burning Cove to reinvent herself, but things are not going well. After spending her entire inheritance on a mansion with the intention of turning it into a bed-and-breakfast, she learns too late that the villa is said to be cursed. When the first guest, Dr. Norman Pickwell, is murdered by his robot invention during a sold-out demonstration, rumors circulate that the curse is real.