Re-upload without background music or old film look since many of you didn't like those. Better now? I also edited it a bit longer.

The build is a radio-controlled Lego tank (or a self propelled gun?, idk) that launches Lego soccer balls (= Lego GBC balls) using a rubber band powered gun.

Tank specs:

Wheels: 12

Motors: 5x Lego XL motor,

2x Lego M motor Batteries:

2x Lego Power Functions Battery box

Weight: 1850 grams

Ammo magazine capacity: 6 Ammo:

Sports Soccer Ball Plain x45

Rubber band: Theraband Gold

Remote control:

2x SBrick

BrickController 2 app (Android)

PlayStation 4 wireless controller Controls: Left Stick: Left wheels forward/backward Right Stick: Right wheels forward/backward D-Pad: Gun up/down Action buttons: Gun draw/unwind, Gun ammo insert and lock/release.