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Best Seller Roller Coaster Engineering With A 65% Price Cut [s9n2eQM8]
$16.99
$54.99
-69%
Ages 6+Design and build your own working roller coaster modelsConduct fun, hands-on physics experiments to learn about force, motion, energy, and more.Complete challenges that require you to build roller coasters of all shapes and sizes.The plastic b
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Ages 6+
- Design and build your own working roller coaster models
- Conduct fun, hands-on physics experiments to learn about force, motion, energy, and more.
- Complete challenges that require you to build roller coasters of all shapes and sizes.
- The plastic building system is durable, easy-to-assemble, and reusable.
- The 32-page, full-color manual guides building and experimentation with step-by-step assembly instructions and scientific explanations.
What Our Customers Say
Absolutely no complaints!
This is a really good and a very, very, very useful tool.
- Bendigeidfran Q..
Absolutely no complaints!
The best money that I have ever spent in a very long while.
- Beli W..
Absolutely no complaints!
This is a very smart, exceptionally and so well-built tool.
- Elfed B..
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