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

$27.97 on Amazon

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

$27.97 on Walmart

#3 Thames & Kosmos Wow in Thames & Kosmos Wow in The World: The Ultimate High-Flying Air Rocket, Science Set, Children Ages 4+

$19.03 on Walmart

#4 🔥 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

$47.99 on Amazon

#5 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

#6 🔥 Thames & Kosmos Telescope Thames & Kosmos Telescope, Children Ages 8+

$34.97 on Walmart

#7 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

$29.97 on Amazon

#8 Thames & Kosmos Gecko Thames & Kosmos Gecko Run: Marble Starter Kit: Includes Marble Run & Marbles, 1 count, Children Ages 8+

$29.97 on Walmart

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

$28.48 on Walmart

#10 Thames & Kosmos Wow Thames & Kosmos, Wow in The World, Kids' Binoculars & Nature Explorer Kit, Science Set, Kids Ages 4+

$14.97 on Walmart

#11 EXIT The Game Advent THAMES & KOSMOS EXIT: The Game - Advent Calendar - The Silent Storm Family Game Cooperative Game Puzzle a Day Escape Room

$40.44 on Amazon

#12 Thames & Kosmos Spy Labs Thames & Kosmos Spy Labs Secret Wearable Voice Recorder with Keycard Playback, Black

$19.99 on Walmart

#13 🔥 Thames & Kosmos Candy Thames & Kosmos Candy Lollipop Lab STEM Kit, 1 Set, for Kids Ages 8+

$14.97 on Walmart

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

$2 on Walmart

#15 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

$24.76 on Amazon

#16 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

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

$39.95 on Walmart

#18 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!

$23.99 on Amazon

#19 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

$20.80 on Amazon

#20 🔥 I Dig It! Treasure THAMES & KOSMOS I Dig It! Treasure - Pirate Treasure

$9.95 on Walmart