2 layers173.3 × 225 mm

KiCad boards from 3 GitHub repositories tagged “children”, the most starred first; open any of them in PCBKit.


rzuehlsd/DUPLO_Train_Remote_Controller
ESP32 Remote Controller for Lego DUPLO Trains with Record/Replay Function

sgofferj/Solder-practice-heart
Solder practice PCB for kids