What piece is this? It's a hard one, and a very small one. It's 2x1 I believe, and it could possibly be an accessory
Is there any difference in the power, wheel, and track technology between 2018 trains and 2022 trains?
How to disassemble the propulsion wheels of the LEGO/DUPLO train engine base part# 28743 drivetrain?
Only top scored, non community-wiki answers of a minimum length are eligible