Enjoy this video with a special Lego construction: A Lego train goes uphill with a motor and then rolls downhill without a motor driving back to its starting point. Then the process starts again from the beginning.
Is this a perpetual motion ??? Check out this video to see how this works.
Testing took about 1 month to make sure that the uphill climbing and the downhill rolling works smoothly.
This is a MOC, you can not buy this train or set up in any store. Lego idea, planning, and construction by NUGRA. The famous set Technofix 252 Mountain Express served as a template for this construction.


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Perpetuum mobile Lego Zug aufgebaut wie der alte Technofix Mountain Express
Lego trein zoals de oude Technofix Mountain Express
Pociąg Lego jak stary Technofix Mountain Express
Tren de Lego como el antiguo Technofix Mountain Express
Trem de Lego como o antigo Technofix Mountain Express
Kereta Lego seperti Technofix Mountain Express yang lama
Train Lego comme l'ancien Mountain Express de Technofix
旧テクノフィックス社のマウンテンエクスプレスのようなレゴ列車
Treno Lego come il vecchio Technofix Mountain Express
Eski Technofix Dağ Ekspresi gibi Lego treni
Lego tåg som det gamla Technofix Mountain Express
पुरानी टेक्नोफिक्स माउंटेन एक्सप्रेस की तरह लेगो ट्रेन
오래된 Technofix Mountain Express와 같은 레고 기차
รถไฟเลโก้เหมือน Technofix Mountain Express รุ่นเก่า
قطار Lego مثل Technofix Mountain Express القديم