Maru from Planes 2

Maru from Planes 2 with Arduino motor control

with an Arduino and motor, it will advance straight for 10sec.
if it hits an object with the front rail, it will turn 90dgr and resume advancing for 10sec, until it hits nothing then it stops.

BOM except the printed parts:
Arduino DC Gear Motor https://www.amazon.de/gp/product/B06XPCZ78W
Servo motor https://www.amazon.de/Top-Spring-Kleine-Stellmotor-Hubschrauber-Flugzeug/dp/B01KNWN8LW/
Arduino Nano Atmega328p https://www.amazon.de/Elegoo-Entwicklerboard-Arduino-Atmega328P-CH340/dp/B0713ZRJLC/
2x Momentary switch https://www.amazon.de/5Pcs-Drehknopf-momentaner-Druckknopf-Schalter/dp/B07912FJQC/
3M screws and nuts

-- and if you want to make it talk
Speaker https://www.amazon.de/gp/product/B07GH1ZNDQ/
Audio Module https://www.amazon.de/gp/product/B07911V1NL/