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

$22.99 on Amazon

#2 🔥 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

$14.99 on Amazon

#3 🔥 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

$14.79 on Amazon

#4 🔥 Thames & Kosmos I Dig Thames & Kosmos I Dig It! Dino - Egg Excavation Kit, Styles May Vary, Science Sets, Kids Ages 5+

$4 on Walmart

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

$30.49 on Amazon

#6 🔥 Thames & Kosmos I Dig Thames & Kosmos I Dig It! Rocks & Fossils Egg Excavation Kit, Children Ages 5+

$4 on Walmart

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

$23.50 on Walmart

#8 Thames & Kosmos I Dig Thames & Kosmos I Dig It! Dragons - Egg Excavation Kit, Styles May Vary, Unisex, Children Ages 5+

$2 on Walmart

#9 Thames & Kosmos Candy Thames & Kosmos Candy Lollipop Lab Stem Experiment Kit, Ages 8+

$14.97 on Walmart

#10 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

$42.71 on Amazon

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

$22.99 on Walmart

#12 Spy Labs Inc Fingerprinting Thames & Kosmos Spy Labs Inc: Fingerprinting Kit Identify, Collect, Analyze Fingerprint Evidence | Essential Tools and Tricks of The Trade from The Detective Gear Experts for Young Investigators

$6.95 on Amazon

#13 Thames & Kosmos Candy Thames & Kosmos: Candy Vending Machine - Super Stunts and Tricks, Science Sets, Children Ages 8-12+

$39.95 on Walmart

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

$19.61 on Walmart

#15 Thames & Kosmos Hydraulic Thames & Kosmos Hydraulic Boxing Bots Buildable Robots Age 8+ STEM Kit

$44.92 on Walmart

#16 My Discovery Telescope Thames & Kosmos My Discovery Telescope | Refracting Telescope with 12x Magnification | Compact & Portable for Land & Night Sky Observations | See The Moon, Planets, Wild Animals in Your Backyard!

$24.92 on Amazon

#17 🔥 Thames & Kosmos Ooze Thames & Kosmos Ooze Labs: Visible Human Body Model with Squishable Organs, Children Ages 6+

$15.50 on Walmart

#18 Spy Labs Inc Forensic Thames & Kosmos Spy Labs Inc: Forensic Investigation Kit Includes Large Lab Setup to Collect & Analyze Evidence & Clues | Explore The Science of Detective Work | for Young Investigators

$25.16 on Amazon

#19 🔥 SolarBots 8 in 1 Solar Thames & Kosmos SolarBots: 8-in-1 Solar Robot STEM Experiment Kit | Build 8 Cool Solar-Powered Robots in Minutes | No Batteries Required | Learn About Solar Energy & Technology | Solar Panel Included

$26.95 on Amazon

#20 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