THAMES & KOSMOS best sellers

#1 Mega Cyborg Hand STEM Thames & Kosmos Mega Cyborg Hand STEM Experiment Kit | Build Your Own GIANT Hydraulic Amazing Gripping Capabilities Adjustable for Different Sizes Learn Pneumatic Systems

$21.59 on Amazon

#2 Thames & Kosmos Mega Thames & Kosmos Mega Cyborg Hand Science Kit, Children Ages 7+

$17.59 on Walmart

#3 Gumball Machine Maker Thames & Kosmos Gumball Machine Maker Super Stunts and Tricks Science Stem Toy, Children 6-12+

$29.97 on Walmart

#4 Gumball Machine Maker Thames & Kosmos Gumball Machine Maker Lab - Build Machines with Physics & Engineering Lessons | 12 Experiments | Make Your Own Gumball Machines | Includes Gumballs | Award Winner

$28.99 on Amazon

#5 Gecko Run Marble Run Gecko Run Marble Run Starter Set by Thames & Kosmos, Toy of The Year Finalist - 63 Piece Vertical Marble Run, Flexible Tracks | Fast, No-Mess Setup, Residue-Free Nano-Adhesive Pads, Creative Play

$23.99 on Amazon

#6 Thames & Kosmos Lollipop Thames & Kosmos Lollipop Lab, Children Ages 8+

$13.99 on Walmart

#7 Thames & Kosmos Telescope Thames & Kosmos Telescope, Children Ages 8+

$34.97 on Walmart

#8 Ooze Labs Chemistry Station Thames & Kosmos Ooze Labs Chemistry Station Science Experiment Kit, 20 Non-Hazardous Experiments Including Safe Slime, Chromatography, Acids, Bases & More, Multi-Color

$16.79 on Amazon

#9 The Thames & Kosmos Telescope The Thames & Kosmos Telescope Essential STEM Tool | Childrens Refractor Telescope with 100x Magnification & Built-in Compass | Classic Scientific Device for Astronomical & Terrestrial Observations

$34.97 on Amazon

#10 Thames & Kosmos Gecko Thames & Kosmos Gecko Run: Marble Run Starter Kit: Includes Marble Run & Marbles, Children Ages 8+

$23.99 on Walmart

#11 Ultra Bionic Blaster Thames & Kosmos Ultra Bionic Blaster STEM Experiment Kit | Construct a Robotic Foam Dart Blasting Glove | Challenging Build, Learn About Mechanical Technology & Engineering

$19.99 on Amazon

#12 EXIT The Game Advent THAMES & KOSMOS EXIT: The Game - Advent Calendar - The Missing Hollywood Star | Christmas | Calendar | Advent | Mystery Game | Family Activity | Ages 10+

$39.99 on Amazon

#13 Robotics Robotics Smart THAMES & KOSMOS Robotics: Robotics Smart Machines (Other)

$136.45 on Walmart

#14 Thames & Kosmos Candy Thames & Kosmos Candy Vending Machine, Super Stunts & Tricks, Stem & Science Set, Children Ages 8+

$17 on Walmart

#15 Chem C2000 (V 2.0) Chemistry Thames & Kosmos Chem C2000 (V 2.0) Chemistry Set | Science Kit with 250 Experiments and 128 Page Lab Manual, Student Laboratory Quality Instruments & Chemicals | Parents' Choice Silver Award Winner

$145.78 on Amazon

#16 Thames & Kosmos 567018 Thames & Kosmos 567018 Kids First Intro to Gears

$39.95 on Walmart

#17 Gross Gummy Candy Lab THAMES & KOSMOS Gross Gummy Candy Lab - Worms & Spiders! Sweet Science STEM Experiment Kit, Make Your Own Plant-Based Gummy Candies in Cool Shapes & Colors | Learn Chemistry | Looks Gross, Tastes Great

$14.99 on Amazon

#18 Spy Labs Master Detective THAMES & KOSMOS Spy Labs Master Detective Toolkit V2 | Forensic Science Kit | Gather & Document Evidence, Play | Fingerprints, Footprints, Tire Tracks | 32-Page Experiment Storybook

$49.95 on Amazon

#19 Thames & Kosmos Magnetic Thames & Kosmos Magnetic Science

$34.94 on Walmart

#20 Rainbow Gummy Candy Lab Thames & Kosmos Rainbow Gummy Candy Lab - Unicorns, Clouds & Rainbows! Sweet Science STEM Experiment Kit, Make Your Own Gummy Candies in Cool Shapes & Colors

$10.99 on Amazon