Submarine

The Submarine is a vehicle used to get to underwater maps [need confirmation].

Materials

Materials used for building (total used on 5 stages):

• 5 Gold
• 5 Glass
• 5 Bolts
• 5 Diodes
• 5 Metal

Upgrades

Stage 1 x1 x1 x1 x1 x1	Stage 2 x1 x1 x1 x1 x1
Stage 3 x1 x1 x1 x1 x1	Stage 4 x1 x1 x1 x1 x1
Stage 5 x1 x1 x1 x1 x1