$25 to $50

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-...

Bring the wonders of space into your home with a take-apart rocket! Inspire preschoolers to dream of life among the stars as they use the easy-grip...

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...

Set up an impressive security perimeter with this Spy Labs tripwire alarm system. Press a button to activate LED beams across two transmitters, the...

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

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...

Embark on an exciting treasure hunt with the Thames & Kosmos Metal Detector! This intuitive device uncovers buried metal treasures—gold, silver...

Explore the microscopic world with this Thames & Kosmos student microscope. Magnify specimens up to 600x with three objective lenses and view p...

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...

Totally marble-ous! Configure the colorful tubes and wheels creating an ever-changing series of fast tracks. A sturdy base and 45 pieces provide en...

Come face to face with the Great White Shark, Hammerhead, Reef Shark and more in stunning virtual reality! Includes a Megaladon fossil dig out acti...

Learning about the planets in our Solar System has never been this fun! Imagine flying through space as we discover black holes, rockets, satellite...