We Do 2.0 45300 Trebuchet catapult instruction

Among all the medieval throwing devices, the Trebuchet occupies a special, most honorable place. Due to its simplicity, reliability and grace. Let's build a robotic model of the Trebuchet with WeDo 2.0 (45300).
This Trebuchet will be self-charging, that is, it will be charged and discharged with the help of the motor, while the force of the shot will be achieved with the help of rubber bands.