Logic trains are interesting (sim) components allowing users a lot of creativity.
This (sim) version has been adapted for bicycles and used as turning signals.
FLICK the SPDT switch to the right to allow the RIGHT LED's to flash together.
FLICK the SPDT switch to the left to allow the LEFT LED's to flash together.
CLOSE the SPST switch connected to the VOLTAGE SOURCE to initiate the FRONT LAMPS.
OPEN the SPST switch next to the voltage source to isolate power to the circuit.
Please note: I haven't included a hazard flashing feature to this circuit.
Enjoy...😎