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- Educational Bio Energy Science Kit - Horizon STEM Kit FCJJ-22Opens in a new window or tabBrand New$190.00Free shippingSave up to 5% when you buy more
- NEW Sealed Horizon Ethanol Fuel Cell Science Kit FCJJ-42Opens in a new window or tabBrand New$69.99Was: $99.99 30% off+$11.70 shippingBenefits charity
- Educational Bio Energy Science Kit - Horizon STEM Kit FCJJ-22Opens in a new window or tabPre-Owned$180.00Free shipping
- Sunnytech Mini Brass Metal Alcohol Lamp for Stirling Engine Steam Engine...Opens in a new window or tabBrand New$25.40+$9.99 shippingFree returns
- Hot Stirling Engine Motor Model DIY Unassembled Flying Saucer C6D0Opens in a new window or tabBrand New$37.27Free shippingfrom China
- Chemistry Molecular Model Kit Organic and Inorganic Modeling Set Science G6O0Opens in a new window or tabBrand New$17.86Was: $19.00 6% off+$5.85 shippingfrom China
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- 136 Pieces Organic Chemistry Model Kit , Chemistry Molecular Model Kit Set for SOpens in a new window or tabBrand New$18.95Free shippingFree returns2 watchers
- Chemistry Molecular Model Organic and Inorganic Modeling Set Teaching L7F8Opens in a new window or tabBrand New$25.26Free shippingfrom China
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- Chemistry Molecular Model Organic and Inorganic Modeling Set Teaching W3G6Opens in a new window or tabBrand New$30.23Free shippingfrom China
- Classical Vacuum Engine Model Science Educational Toy Experimental InstrumentOpens in a new window or tabBrand New$59.72Free shippingfrom China4 watchers
- Small 135pcs Molecular Model Set Organic Chemistry Science Molecules Links KitOpens in a new window or tabBrand New$45.88Free shippingfrom India
- Classical Vacuum Engine Model Science Educational Toy Experimental InstrumentOpens in a new window or tabBrand New$54.28Was: $59.00 8% offFree shippingfrom China
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- Classical Vacuum Engine Model Science Educational Toy Experimental Instrument JJOpens in a new window or tabBrand New$55.12Was: $59.91 8% offFree shippingfrom China
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- Hot Stirling Engine Motor Model DIY Unassembled Flying Saucer P7G0Opens in a new window or tabBrand New$37.27Free shippingfrom China
- Chemistry Molecular Model Kit Organic and Inorganic Modeling Set Science E8W2Opens in a new window or tabBrand New$25.54Free shippingfrom China
- Hot Stirling Engine Motor Model DIY Unassembled Flying Saucer U0Q3Opens in a new window or tabBrand New$37.27Free shippingfrom China
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- Hot Stirling Engine Motor Model DIY Unassembled Flying Saucer R1Q7Opens in a new window or tabBrand New$37.27Free shippingfrom China
- Chemistry Molecular Model Kit Organic and Inorganic Modeling Set Science G7J5Opens in a new window or tabBrand New$25.26Free shippingfrom China
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- Hot Stirling Engine Motor Model DIY Unassembled Flying Saucer P5U0Opens in a new window or tabBrand New$37.27Free shippingfrom China
- Chemistry Molecular Model Kit Organic and Inorganic Modeling Set Science Q2J2Opens in a new window or tabBrand New$21.03+$5.85 shippingfrom China
- Chemistry Molecular Model Kit Organic and Inorganic Modeling Set Science S5M0Opens in a new window or tabBrand New$25.54Free shippingfrom China
- Classical Vacuum Engine Model Science Educational Toy Experimental Instrument DCOpens in a new window or tabBrand New$50.54Was: $54.94 8% offFree shippingfrom China
- 1pcs Stirling Engine Car Model Educational Engine B5A99291Opens in a new window or tabBrand New$44.14+$17.70 shippingfrom China
- Scientific Experience Physics Toy Car Educational Engine P3W35551Opens in a new window or tabBrand New$43.06+$17.70 shippingfrom China
