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

$2 on Walmart

#3 🔥 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

$25.74 on Amazon

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

$25.74 on Walmart

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

$2 on Walmart

#6 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

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

$14.97 on Walmart

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

$22.99 on Walmart

#9 Wow in The World SEA WONDERY KIDS Wow in The World SEA Creatures Aquarium | Hatch & Raise Real Brine Shrimp (Easy Care), Customizable Tank, Companion Audio Content, Bonus Reusable Science Tool, STEM Toy for Kids 6+ by Thames & Kosmos

$14.95 on Amazon

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

$2 on Walmart

#11 Thames & Kosmos Candy Thames & Kosmos Candy Vending Machine - Super Stunts and Tricks, Children Ages 8-12+

$39.95 on Walmart

#12 🔥 The Human Body THAMES & KOSMOS The Human Body

$29.95 on Walmart

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

$44.93 on Walmart

#14 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

$40.16 on Amazon

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

$15.99 on Walmart

#16 Thames & Kosmos Dinosaur Thames & Kosmos Dinosaur Gummy Candy Lab, Elementary & Middle School Children Ages 6+

$14.97 on Walmart

#17 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

$29.71 on Amazon

#18 Gecko Run Marble Run Gecko Run Marble Run Snake Expansion Pack by Thames & Kosmos – Extra Zigzag Maze for Vertical Marble Run Starter Set; Fast, No-Mess Setup, Residue-Free Nano-Adhesive Pads for Hours of Creative Play

$13.95 on Amazon

#19 🔥 Wow in The World Light UP WONDERY KIDS Wow in The World Light-UP Terrarium | Grow Plants, Decorate Your Terrarium, Glow-in-The-Dark, UV Lights, Companion Audio Content, Bonus Reusable Science Tool, STEM Toy for Kids 6+ by Thames & Kosmos

$23.63 on Amazon

#20 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!

$24.95 on Amazon