Lego Technic Tracked Vehicle Ripsaw Moc
I got these LEGO® parts from Fedibeka LEGO® Shop:
http://www.bricklink.com/store.asp?p=...
2 mid size motors on each side, 1 IR receiver
Inspired by Ripsaw Ms-2 (the original vehicle) and wewerkalouskalka (constructor of lego technic ripsaw)