$20 to $50

Ever dreamed of having a vending machine in your room? With this engineering kit, you can build and experiment with your own toy vending machine. F...

Roll the die – place a ladder – catch the moon!Climb through the clouds and reach for the moon! All it takes is a few cleverly placed ladders, a st...

Oh no, you silly dodo, don't push your egg down the mountain! This fun, fast cooperative game challenges players to race against gravity. Work toge...

Move over boring marble runs, there's a new kit in town! Witness physics in action with this innovative, flexible system of tracks. Thanks to nano ...

Get in the ring for learning about hydraulics with this set of 2 boxing bots! Future engineers will enjoy the focused work of this challenging 327-...

An easy-to-read storybook and 53 different parts let preschoolers build 10 robots, while developing simple engineering skills. Follow the funny adv...

Welcome to the fascinating world of mechanical engineering! Make 8 motorized robots that move in different ways while exploring how each one uses g...

Get ready to have fun making delicious lollipops while learning science and math! Whip up batches of red cherry and blue raspberry lollipops, plus ...

Help shy children build confidence and public speaking skills through the power of magic! Perfect for any budding magician, this set includes 35 im...

Help shy kiddos build confidence and public speaking skills through the power of magic! Perfect for budding magicians, this set includes 150 impres...

Volcanoes erupt with earth-shattering power! Build this giant, foot-tall model from plaster and cardboard and watch flowing red 'lava' spew from it...

Build your own mechanical hand, slip it on like a glove, and get a grip, without motors or electricity. It uses hydraulic power to simulate the mov...

Future engineers enjoy the focused work of this 180-piece cyber hand build that teaches them about mechanical assembly and hydraulics. Once built, ...

Electric motors and generators are in countless devices, appliances, and vehicles we use every day. They are an essential technology in our modern ...

It's just the coolest, kid-friendly, entry-level scope ever! Gaze at the moon and stars, or squirrels and birds at 12x magnification. Quality optic...

Finally, an adorable robot! When kids assemble the 172 pieces, they won't realize they're learning about gears, motors, and sound sensors. They wil...

An apple that defies gravity and walks a tightrope — what would Isaac Newton have thought? Build a cute apple robot that walks along a tightrope. H...

Introduce kids to STEM in a fun, authentic way with this colorful set of 5 simple chemistry experiments. Set up the durable test tubes and rack and...

This amazing lab is the real deal! Create an underwater volcano, or a test tube rainbow, or do any of the 20 safe, educational experiments. This wi...

Bring snow inside... any time of year, no matter where you live! Kids enjoy the magic of cool snow-based experiments and learn about weather along ...

Google "orrery" because you'll be building one, winding it up, then watching planets orbit the sun at their own speed! Explore gear mechanics as yo...

For candy loving scientists, here's a fun way to experiment with physics in action! A step-by-step illustrated instruction manual guides clever kid...

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 ...

If you're raising a future James Bond or Sherlock Holmes, your young secret agent needs the high-tech help of a secret voice recorder. Spies strap ...