A caterpillar tunnel boring complex made of LEGO Technic with infrared remote control (RC car), with 5 motors, 3 battery packs and 3 signal IRreceivers.
Drilling machine on tracks fights snow and overcomes obstacles.
#lego #funbrick #boringmachine #drillingmachine #drilltractor #legoboringmachine #legoboring #legodrilling #legodrill #legosnow #legowinter #legotechnic #engineering