$25 to $50

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 ...

Build a sleek, modern (and adorable!) walking robot powered by salt water and magnesium — no batteries required!  Discover how a metal-air electroc...

Jumpstart your study of mechanical physics by learning all about simple machines and how they're used to make complex tasks easier to do. Through 2...

Unleash your child's imagination with Snap Circuits® BRIC Light! With 10 included builds and full brick-compatibility, the possibilities are endles...

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

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...

If you're raising a future Sherlock Holmes, your young detective needs all the tools of the trade. Help them crack the case on any mystery with thi...

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...

If you're raising a future Sherlock Holmes, your young detective needs all the tools of the trade. Help them crack the case on any mystery with thi...

If you're raising a future James Bond, your young secret agent needs the high-tech help of a location tracker. Hide the transmitter with a valuable...

Stay in constant contact with your fellow secret agent while you shadow suspects and stake out crime scenes using your Spy Walkie-Talkies. These ha...

If you're raising a future James Bond, your young secret agent needs the high-tech help of this 2-in-1 super pack that includes night vision goggle...

Want the Magic School Bus experience? Enter the fascinating world of the human body with this hands-on kit and tour guide. Complete with removable ...

Curious kids experiment with strength and stability, building 20 models that demonstrate mechanical physics or structural engineering principles. T...

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...

Turn any room into a planetarium for astronomers in training! Give them sweet dreams of travel through space: this projector displays either a rota...

Marvel at the wonders of the universe with this mesmerizing electric light show. The plasma ball creates a fascinating display of glowing electric ...

Kids who love to experiment can hone their problem-solving and critical thinking skills with this set of over 20 experiments! It's a great gift tha...

Future paleontologists and archaeologists perform their first excavation with this set that includes 18 real fossils! Young scientists will dig up ...

If your tween or teen has a fascination with all things steampunk - or trains in general - then this kit is for them! Young engineers put on their ...

Construct your air-powered robotic hand that fits like a glove and prepare to blast off! This amazing engineering project uses pressurized air and ...