Thames & Kosmos Hydropower Science Kit | 12 Stem Experiments | Learn About Alternative & Renewable Energy, Environmental Science | Parents' Choice Recommended Award Winner

Smartivity DIY Pinball Machine I Global Award Winning Game Ages 8-99 Years | STEM Toys Arcade Game Kit for Ages 8 9 10 11 12

4,6(3.031)

$31.08

Prime gratisEnvío gratis

+ $8.00 envío · 1.5 lb

Thames & Kosmos | Roller Coaster Engineering STEM Kit | Design, Build, Experiment w/ Working Models | Explore Physics, Forces, Motion, Energy, Velocity & More | Solve Building Challenges

4,5(495)

-8%$48.02

Antes: ~~$52.20~~

Thames & Kosmos Ooze Labs Colorful Crystal Lab STEM Experiment Kit & Lab Setup | Awesome Geometric Crystals, Dazzling Displays, with 11 Shiny, Sparkly, Safe Experiments | Stickers to Decorate Your Lab

4,5(220)

$31.30

Envío gratis

Thames & Kosmos Robotic Dragon Bank Kit | Hands-on STEM Construction Toy, Build a Mechanical Dragon Coin Bank, Explore Electric Circuits & Engineering, Educational Birthday Gift, Boys & Girls Ages 8+

4,3(89)

$20.85

Envío gratis

Thames & Kosmos Gumball Machine Maker

3,9(2.281)

-8%$38.61

Antes: ~~$41.75~~

Prime gratisEnvío gratis

1 lb

Thames & Kosmos Ooze Labs Chemistry Station Science Experiment Kit, 20 Non-Hazardous Experiments Including Safe Slime, Chromatography, Acids, Bases & More, Multi-Color

4,6(2.148)

$41.75

Envío gratis

Thames & Kosmos Ultra Bionic Blaster STEM Experiment Kit | Construct a Robotic Foam Dart Blasting Glove | Challenging Build, Learn About Mechanical Technology & Engineering

3,8(745)

-5%$39.66

Antes: ~~$41.75~~

Envío gratis

Thames & Kosmos Physics Workshop STEM Science Kit – 38 Builds, 37 Experiments, 305 Pieces, Ages 8+, Gravity, Simple Machines, Gears, Pendulum, Centrifugal Force

4,3(605)

$41.75

Envío gratis

4,6(1.022)

-8%$48.02

Antes: ~~$52.20~~

Envío gratis

Thames & Kosmos Mega Cyborg Hand STEM Experiment Kit | Build Your Own GIANT Hydraulic Amazing Gripping Capabilities Adjustabl

4,4(4.146)

$25.07

+ $11.00 envío · 2 lb

Thames & Kosmos My Robotic Pet - Tumbling Hedgehog | Build Your Own Sound Activated Tumbling, Rolling, Scurrying Pet | STEM Experiment Kit | Toy of The Year Award Finalist

4,0(849)

-13%$36.52

Antes: ~~$41.75~~

Envío gratis

Thames & Kosmos Wind Power V4.0 STEM Experiment Kit | Build a 3ft Wind Turbine to Generate Electricity | Learn About Renewable Energy & Power a Small Model Car | Weatherproof for Outdoor Use

4,2(520)

$46.97

Envío gratis

Thames & Kosmos Hydropower Science Kit | 12 Stem Experiments | Learn About Alternative & Renewable Energy, Environmental Science | Parents' Choice Recommended Award Winner

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