This is speed challenge of simplest electromagnetic train 1.5V (compared with super clockwork mini car). Best performance is 4:40
※ In this video's Lithium battery has safety holes for gas. ※ Symbol of Φ is magnets diameter. ※Friction = advantage about friction
The standard written on the battery in this video is Alkaline (AA LR6 1.5V), Lithium (AA L91 FR6 1.5V)
【Run outside the coil】 https://youtu.be/Y1MDOerruDU
【How to make】 https://youtu.be/IXeXcbvBPJw
【1st model - 12 million views】 https:/
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