Quantity   Component name
1 × Neodymium Magnet, 1/16" thick, 0.1" OD https://www.mcmaster.com/5862K426/
1 × Neodymium Magnet, 1/16" thick, 1/16" OD https://www.mcmaster.com/5862K137/
20 × M2 × 10 mm plastic threading screws
20 × M2 × 8 mm plastic threading screws
4 × 3x8x4mm bearings - 693-2Z https://www.mcmaster.com/7804K126/
1 × 1.5 mm belt, approximately 10.75 inches long https://www.mcmaster.com/8060K8/
1 × Right angle DC Metal Geared Motor https://www.amazon.ca/Micro-Metal-Reduction-Geared-DC12v381RPM/dp/B08LCYTQ4T/ref=asc_df_B08LCYTQ4T?mcid=08972a6f04ca33a8ba1487056b80db30&tag=googleshopc0c-20&linkCode=df0&hvadid=780678208006&hvpos=&hvnetw=g&hvrand=1356150566275515527&hvpone=&hvptwo=&hvqmt=&hvdev=c&hvdvcmdl=&hvlocint=&hvlocphy=9216235&hvtargid=pla-1935218226927&hvocijid=1356150566275515527-B08LCYTQ4T-&hvexpln=0&gad_source=1&th=1
1 × Adafruit Feather ESP32 V2 https://www.adafruit.com/product/5400
1 × Adafruit Wireless LED Kit https://www.adafruit.com/product/5140
1 × Dotstar LED Strip https://www.adafruit.com/product/2329
1 × Control Circuit Board + BOM (github) https://www.pcbway.com/project/shareproject/SeanVille_Tiny_Model_Train_Christmas_Ornament_Controller_4a13288b.html