[Alternative model] Siege tank - 42131 CAT's C model

[msk6003]

This is my second 42131 CAT dozer's alternative model.

This time I got idea from starcraft 2 siege tank.
But because part limit of set, lot of part is look different with original model.
Function
Drive using 2 large angular motor
Function drive/select using 2 C+ L motor
1. Siege mode
2. Gun elevation
3. Firing
You need rubber band for gun system. I used 4 85546 yellow band but can use other band you have.
All function is working by Powered up app.