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Sale
Thames & Kosmos - 678006 | The Thames & Kosmos Rock Tumbler
$63.74 $74.99
Sale
Thames & Kosmos - 550063 | Robotic Jellyfish Nightlight Kit
$32.29 $37.99
Sale
Thames & Kosmos - 548021 | Spy Labs: Digital Snake Scope
Thames & Kosmos - 548021 | Spy Labs: Digital Snake Scope
$56.09 $65.99
Sale
Thames & Kosmos - 545008 | Wow in the World: 100 Experiments That WOW!
Thames & Kosmos - 545008 | Wow in the World: 100 Experiments That WOW!
$50.99 $59.99
Sale
Thames & Kosmos - 550064 | GeckoBot 2.0
Thames & Kosmos - 550064 | GeckoBot 2.0
$38.24 $44.99
Sale
Thames & Kosmos - 545011 | Wow in the World: Kids Microscope & Biology Kit
Thames & Kosmos - 545011 | Wow in the World: Kids Microscope & Biology Kit
$38.24 $44.99
Sale
Thames & Kosmos - 550065 | Saltwater Fuel Cell Robot
Thames & Kosmos - 550065 | Saltwater Fuel Cell Robot
$40.79 $47.99
Sale
Thames & Kosmos - 567022 | Kids First: Science Kit
Thames & Kosmos - 567022 | Kids First: Science Kit
$32.29 $37.99
Sale
Thames & Kosmos - 548017 | Spy Labs: Invisible Tripwire Alarm
Thames & Kosmos - 548017 | Spy Labs: Invisible Tripwire Alarm
$45.04 $52.99
Sale
Thames & Kosmos - 550058 | Space Candy Gummy Lab
Thames & Kosmos - 550058 | Space Candy Gummy Lab
$25.49 $29.99
Sale
Thames & Kosmos - 550048 | Water Power: Rocket-Propelled Cars, Boats, and More
Thames & Kosmos - 550048 | Water Power: Rocket-Propelled Cars, Boats, and More
$36.54 $42.99
Sale
Thames & Kosmos - 550057 | Air-Powered Turbo Racer
Thames & Kosmos - 550057 | Air-Powered Turbo Racer
$38.24 $44.99
Sale
Thames & Kosmos - 665083 | SolarBots: Cosmic Explorers
Thames & Kosmos - 665083 | SolarBots: Cosmic Explorers
$34.84 $40.99
Sale
Thames & Kosmos - 625419 | Mechanical Engineering: Machines & Vehicles
Thames & Kosmos - 625419 | Mechanical Engineering: Machines & Vehicles
$63.74 $74.99
Sale
Thames & Kosmos - 545002 | Wow in the World: Break-Open Crystal Geodes
Thames & Kosmos - 545002 | Wow in the World: Break-Open Crystal Geodes
$38.24 $44.99
Sale
Thames & Kosmos - 550105 | Pinball Machine Maker: Gumball Rally
Thames & Kosmos - 550105 | Pinball Machine Maker: Gumball Rally
$50.99 $59.99
Sale
Thames & Kosmos - 550104 | Candy Vending Machine: Super Stunts and Tricks
Thames & Kosmos - 550104 | Candy Vending Machine: Super Stunts and Tricks
$50.99 $59.99
Sale
Thames & Kosmos - 545006 | Wow in the World Dino DIG & Diorama
Thames & Kosmos - 545006 | Wow in the World Dino DIG & Diorama
$38.24 $44.99
Sale
Thames & Kosmos - 601911 | Dig It! Horses
Thames & Kosmos - 601911 | Dig It! Horses
$4.24 $4.99
Sale
Thames & Kosmos - 620304 | Newton's Apple: Tightrope-Walking Gyrobot
Thames & Kosmos - 620304 | Newton's Apple: Tightrope-Walking Gyrobot
$38.24 $44.99
Sale
Thames & Kosmos - 665008 | Optical Illusions
Thames & Kosmos - 665008 | Optical Illusions
$36.54 $42.99
Sale
Thames & Kosmos - 567005 | Science Laboratory
Thames & Kosmos - 567005 | Science Laboratory
$50.99 $59.99
Sale
Thames & Kosmos - 678002 | The Thames & Kosmos Gyroscope
Thames & Kosmos - 678002 | The Thames & Kosmos Gyroscope
$12.74 $14.99
Sale
Thames & Kosmos - 601669 | I Dig It! Farm Animals (Asst.) (One Per Purchase)
Thames & Kosmos - 601669 | I Dig It! Farm Animals (Asst.) (One Per Purchase)
$4.24 $4.99
Sale
Thames & Kosmos - 574001 | Chemistry Treats! Candy+Chemistry
Thames & Kosmos - 574001 | Chemistry Treats! Candy+ Chemistry - Assorted (One Per Purchase)
$7.64 $8.99
Sale
Thames & Kosmos - 552004 | ReBotz: Knox - Wacky Walking Robot
Thames & Kosmos - 552004 | ReBotz: Knox - Wacky Walking Robot
$15.29 $17.99
Sale
Thames & Kosmos - 550040 | Yummy Rainbow Lip Balm Lab
Thames & Kosmos - 550040 | Yummy Rainbow Lip Balm Lab
$36.54 $42.99
Sale
Thames & Kosmos - 620384 | Robotics: Smart Machines - Super Sphere
Thames & Kosmos - 620384 | Robotics: Smart Machines - Super Sphere
$140.24 $164.99
Sale
Thames & Kosmos - 550103 | Candy Claw Machine - Arcade Game Maker Lab
Thames & Kosmos - 550103 | Candy Claw Machine: Arcade Game Maker Lab
$48.44 $56.99
Sale
Thames & Kosmos - 550035 | Incredible Inflatable Aero Dancer
Thames & Kosmos - 550035 | Incredible Inflatable Aero Dancer STEM Experiment Kit
$24.64 $28.99
Sale
Thames & Kosmos - 551106 | Gross Science
Thames & Kosmos - 551106 | Gross Science
$12.74 $14.99
Sale
Thames & Kosmos - 550039 | Sweet Candy Perfume Lab
Thames & Kosmos - 550039 | Sweet Candy Perfume Lab
$38.24 $44.99
Sale
Thames & Kosmos - 635214 | Kids First: Biology Lab
Thames & Kosmos - 635214 | Kids First: Biology Lab
$60.34 $70.99
Sale
Thames & Kosmos - 551103 | Bouning Planets
Thames & Kosmos - 551103 | Bouncing Planets
$11.89 $13.99
Sale
Thames & Kosmos - 657536 | I Dig It! Pirate Treasure
Thames & Kosmos - 657536 | I Dig It! Pirate Treasure
$12.74 $14.99
Sale
Thames & Kosmos - 550101 | Gumball Machine Make - Super Stunts
Thames & Kosmos - 550101 | Gumball Machine Make - Super Stunts & Tricks
$50.99 $59.99
Sale
Thames & Kosmos - 551010 | Molecule Madness Science Kit
Thames & Kosmos - 551010 | Molecule Madness Science Kit
$9.34 $10.99
Sale
Thames & Kosmos - 628318 | Kids First Engineering Lab
Thames & Kosmos - 628318 | Kids First Engineering Lab
$70.54 $82.99
Sale
Thames & Kosmos - 567003 | The Human Body Science Project Kit
Thames & Kosmos - 567003 | Kids First: The Human Body Science Kit
$36.54 $42.99
Sale
Thames & Kosmos - 555061 | Engineering Makerspace: Kinetic Machines
Thames & Kosmos - 555061 | Engineering Makerspace: Kinetic Machines
$25.49 $29.99
Sale
Thames & Kosmos - Geek & Co. Science: Glowing Crystal Geode Science Kit
Thames & Kosmos - T550022 | Geek & Co. Science: Glowing Crystal Geode Science Kit
$25.49 $29.99
Sale
Thames & Kosmos - 567007 | Kids First: Aircraft Engineer Kit with Storybook
Thames & Kosmos - 567007 | Kids First: Aircraft Engineer Kit with Storybook
$57.79 $67.99
Sale
Thames & Kosmos - 567006 | Kids First: Automobile Engineering Kit with Storybook
Thames & Kosmos - 567006 | Kids First: Automobile Engineering Kit with Storybook
$57.79 $67.99
Sale
Thames & Kosmos - 567001 | Kids First: Stepping Into Science Kit
Thames & Kosmos - 567001 | Kids First: Stepping Into Science Kit
$50.99 $59.99
Sale
Thames & Kosmos - 551005 | Amazing Gyroscope Experiment Kit
Thames & Kosmos - 551005 | Amazing Gyroscope Experiment Kit
$9.34 $10.99
Sale
Thames & Kosmos Giant Mars Volcano
Thames & Kosmos - 550004 | Giant Mars Volcano Science Kit
$23.79 $27.99