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Thames & Kosmos Gumball Machine Maker Lab Build Machines With Physics & Engineering Lessons 12 Experiments Make Your Own Gumball Machines Includes Gumballs Award Winner 8,911,000
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Thames & Kosmos The Plasma Ball Essential Stem Tool Classic Scientific Device Fresh 5Inch Glass Sphere Interactive Electric Light Show Explore Electricity Matter Energy Small 5,949,000
Thames & Kosmos Simple Machines Science Experiment & Model Building Kit Introduction To Mechanical Physics Build 26 Models To Investigate The 6 Classic Simple Machines 9,204,000
Thames & Kosmos Ooze Labs Alien Slime Lab Science Experiment Kit & Lab Setup 10 Experiments With Slime A Parents' Choice Recommended Award Winner 7,834,000
Thames & Kosmos Hydraulic Boxing Bots Stem Experiment Kit Build Two Hydraulicpowered Boxing Robots Explore Hydraulic Waterpowered Systems Challenge A Friend To A Robot Duel 10,257,000
Thames & Kosmos Jurassic World Dominion Flying Pterosaur Quetzalcoatlus Stem Building Kit From Build & Fly A Motorized Model Of The Largest Flying Creature From Prehistoric Times 3,648,000
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Thames & Kosmos Gyroscope Perfectly Balanced & Precision Tested Essential Stem Tool Classic Scientific Device Experiments In Physics Forces & Gravity Nostalgic Spinning Science Toy 3,721,000
Thames & Kosmos Code+Control Dinosaur Robot Rex Robotics & Engineering Stem Kit Build & Program A Robotic T. Rex Includes Sensor Motor Lights & Sounds No App Required Ages 8+ 13,880,000
Thames & Kosmos 2Ft Tall Candy Vending Machine Stem Kit Build Toy Vending Machine With 10 Gravity & Motion Experiments Coin Sorting Bank Math & Engineering Lessons 10,331,000
Thames & Kosmos Trainbots 2In1 Steam Maker Kit Build 2 Steampunk Robots Wled Lights Explore Robots & Engineering Includes Ultrasonic Atomizer Ages 8+ With Help; 12+ For Independent Play 7,834,000
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Thames & Kosmos Ultra Bionic Blaster Stem Experiment Kit Construct A Robotic Foam Dart Blasting Glove Challenging Build Learn About Mechanical Technology & Engineering 6,928,000
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Thames & Kosmos Electricity & Magnetism Science Kit 62 Safe Experiments Investigating Magnetic Fields & Forces For Ages 8+ Assemble Electric Circuits With Easy Snaptogether Blocks 12,681,000
Thames & Kosmos Solarbots 8In1 Solar Robot Stem Experiment Kit Build 8 Cool Solarpowered Robots In Minutes No Batteries Required Learn About Solar Energy & Technology Solar Panel Included 9,131,000