Items : C.A.R.T.S
C.A.R.T.s allow you to easily hold and transport items, valuables, and Semibots. There can only be a maximum of 4 C.A.R.T.s at a time: 2 Pocket C.A.R.T.s and 2 (normal) C.A.R.T.s.
When mining, make sure you put all the C.A.R.T.s into the mining point, as anything beyond will be destroyed and you will lose money.
Pocket C.A.R.T. :
This is a smaller version of the basic C.A.R.T., capable of storing a few additional items. It can be stored in your inventory (like weapons) if it doesn't contain any items.
Price : $14K - $18K
C.A.R.T. :
It allows you to carry a good number of objects, protecting them from destruction (except when it comes to monsters attacks).
Price : $39K - $48K