11-13 Years

Get future engineers on track for STEM learning with this model train set of the future! They'll enjoy the focused work of building this 186-piece ...

Turn rough rocks into polished gems. Our powerful tumbling machine features a strong motor, and includes a leak-proof rubber barrel, a timer, 9 dif...

Start your own rock collection and even grow your own geode. This STEM-focused kit comes with a labeled tray, plus a book with lively illustrations...

Tiny tools—BIG Science! How small is the tiniest ball of slime you can make? Find out with this adorable miniature science lab that features precis...

Be a Micro-Angelo! This itty-bitty STEAM kit delivers the paints, tools, and techniques you need to make, frame, and display miniature masterpieces...

Enjoy gardening at your fingertips with a miniature desktop greenhouse and tiny gardening tools! All you add are soil, water, and your choice of se...

The Snap FM Radio kit allows you to build a radio that really works! You can make 4 projects! Requires 3x AA batteries (not included) Suitable for...

Curious kids play with electricity in a safe, exciting way with Snap Circuits! This award-winning kit allows tween scientists to build 133 differen...

Thinking Putty is one of our top putty picks - there are so many ways to play! This clear putty is filled with a rainbow of dot-shaped glitter piec...

What's cooler than building a bot? Building 8 of 'em! A 48-page, full-color book guides the assembly, and a compact solar panel gives them power. T...

Future mechanical engineers supercharge their STEM learning while assembling 5 cool solar-powered robots! The easy-to-use building system and step-...

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...

Whether you're raising a young Sherlock Holmes or a future James Bond, your little investigator needs the high-tech help of an invisible pen and UV...

Create a top-of-the-line, 360-degree security zone in your room! Secrets have never been safer than with this Spy Labs security system. Activate th...

Whether you're raising a young Indiana Jones or a future James Bond, your little adventurer needs a metal detector to seek out treasure and complet...

How does a bridge stay up? Future engineers learn about force, tension, load and more while they build 20 awesome structures, with help from a fant...

Harry, Ron, and Hermione call it Potions Class; we call it Chemistry Class! Wizards in training can follow the storybook manual as they brew up fiv...

Does Planet Nine exist? Complete 50 missions as you travel the solar system to discover it. A space adventure card game for gamers, requiring teamw...

The award-winning Curiositree: Natural World explores, through 67 exquisitely illustrated charts, the myriad ways in which plants and animals have ...

Is there a dark planet lurking on the edge of our solar system? Sharpen your skills of deduction while you try to find it! Download the free app to...

Let the treasure hunting begin! Use the Thames & Kosmos Metal Detector to detect metal objects — like gold, silver, iron, copper, and more — th...

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

Sure, they're iconic. But more than that, the flowing pink wax/pink liquid and hypnotic light have the power to calm, in a fast-spinning world. A b...

Recreate the magic of the total solar eclipse right inside your hands! This cosmic putty glows in the dark FOUR different colors: the putty glows, ...