The bull dozer will be explained if u read the description
so will the twister if u read link #2
…
link#1
https://vexforum.com/gallery/showimage.php?i=343&c=8
link#2
https://vexforum.com/gallery/showimage.php?i=344&c=8
Im mainly showin the twister because i would like to see someone build something more compact;) and it will be able to turn within itself:cool: … and dont forget room for the battery!!