8-9 years

How cool is it that the mainspring stores energy, then converts it to motion? Discover the physics of potential and kinetic energy and the inner wo...

Stop summer slide! Stay summer smart! For kids who just finished 4th grade, this Common Core–aligned workbook will get you back-to-school ready fo...

He's the king of the dinosaurs! But this plush T-Rex only looks fierce. Give him a hug and see just how soft he is. 18 in. of cuddle and a fun addi...

Tasty Triceratops! Scrumptious Stegosaurus! As kids prepare these yummy gummy treats, they'll investigate the chemistry related to candy making and...

Travel deep into the microscopic realm! With this high-quality student microscope, Thames & Kosmos unlocks wonders of the world that are too sm...

Predict the future with this playful putty that strengthens hands, fingers, and imaginations! Blue 'truth' stones move within this putty, which is ...

It’s hands-on science with a capital “E”—for engineering. Beginning with the toppling of the Colossus of Rhodes, one of the seven wonders of the an...

Here comes the future! The world’s coolest technology comes to life with fun, hands-on experiments for kids.   •             Test solar power with ...

From the acclaimed author of Hurricane Season, an unforgettable story about what makes a family, for fans of Hazel’s Theory of Evolution and Ivy Ab...

The eighth book in Laura Ingalls Wilder’s treasured Little House series. This edition features the classic black-and-white artwork from Garth Willi...

This is where you draw the line–and your mini robot follows it. Command an inductive bot (with glowing LED eyes!) over patterns you create, competi...

Say this ten times fast: Big bedbugs bite pet pugs’ butts!   Featuring the funniest things in life––like barf, drool, mucus, pus, and gas––Twisted ...

This 51 piece, 2x3' puzzles is made from heavy-duty laminated cardboard pieces that are easy to clean and friendly to little hands. Tactile play te...

Children will explore 11 famous volcanos and learn about volcanology with this STEM kit. Build and paint plaster models of St. Helens, Fuji, Vesuvi...

Readers will want to grab a telescope and explore the night skies after finishing this overview of our solar system.Our solar system consists of ei...

Everyone has heard of Albert Einstein-but what exactly did he do? How much do kids really know about Albert Einstein besides the funny hair and gen...

Isaac Newton was always a loner, preferring to spend his time contemplating the mysteries of the universe. When the plague broke out in London in 1...

Wow future geologists and rock-loving kiddos with a crystal-filled kit! Curious STEM learners customize the included iridescent display case by dec...

Impress future geophysicists with a volcano that erupts again and again! Curiosity, supercharged! Thames & Kosmos teams up with the innovative ...

Thames & Kosmos teams up with the innovative Wondery Kids podcast team in a first-of-its-kind collaboration that gives kids an exciting new way...

The String is Flying! A ZipString is an incredible device that rapidly propels, a loop of string. When the strings momentum is balanced within the ...