8-9 years

Build the ultimate ball track with the SMARTMAX magnetic construction set that contains an amazing 71 pieces! With endless options you can make all...

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, ...

Assemble your own marble runs with this excitingly challenging construction set. Reproduce the layouts pictured on the box or have fun experimentin...

The #1 New York Times bestseller!From beloved Saturday Night Live legend Kate McKinnon comes a madcap adventure about three sisters, a ravenous wor...

This Galileo thermometer is the same size and shape as our 6" Storm Glass. and they make an attractive pair on the windowsill.6" TallThe Galileo Th...

MAGNETIC MIX OR MATCH VEHICLES

Suddenly math is big fun! Players use the number and symbol tiles to build equations into a crossword puzzle grid in this new game. 162 tiles store...

Grow your own tranquil oasis! A thoughtful gift for nature-loving kids and kidults, everything's included to assemble and care for a DIY moss terra...

Curious kids build a loyal robotic reptile buddy that responds to gestures, changes colors, and automatically fires and retracts its tongue! This c...

Help outdoor play reach new heights - maybe even the exosphere?! - with this 100% kid-powered Stomp Rocket. Kids have a blast (pun intended) as the...

Transform rough rocks into gorgeous polished gems! A great STEM gift for future geologists and earth scientists, this kit has everything kids need ...

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...

One shape, endless possibilities. Encourage open-ended, creative play with this colorful starter set of Plus-Plus that includes 1000 interlocking p...

Bye bye boring paper airplanes, hello flying machines! Shatter the world record for the longest paper airplane flight by clipping the POWERUP 2.0 m...

Lost your marbles? Get more! This is a pack of 7 metal replacement marbles for the Gecko Run marble run system.

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 and program a loyal robotic pal! Discover the world of robotics — an exciting, interdisciplinary field combining physics, engineering, and co...

Future engineers fly into physics fun building 5 awesome models driven by a rubber band powered propeller. Using ultralight plastic and bamboo part...

SALTWATER FUEL CELL ROBOT

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 greatest adventures start with secrets. The Porch Sisters are in trouble. It’s summertime in Antiquarium, and everyone has flocked to the maje...

A Best Book of 2020: People * Kirkus Reviews * Booklist  * School Library Journal * Publishers Weekly * Shelf Awareness for Readers * New York Publ...

Put your mind to the test to solve twenty fun science-themed mysteries in Sleuth & Solve: Science!How does a wildlife photographer know that an...