How to take a train with Lego

1. Prepare the required Lego materials, including Lego locomotives, Lego train carriages, tracks, power supplies, motors and wires.

2. Assemble the head and carriage of Lego train according to the instructions, connect the motor and wires, and control the operation of the train.

3. Assemble the track and connect the power supply, put the train on the track and let the train run freely (the speed and direction can also be controlled manually).

4. Arrange some switches, signal lights and other accessories on the track to increase the interest of the train.