A stackable staircase that's useful for navigating multi-floor factories before hypertubes or the hoverpack is unlocked. Or put it next to your blueprint designer to build your blueprints from above! It's 4 foundations long, 1 foundation wide, and four walls tall. To stack, use Default build mode and line up the wall outlets so they overlap.

Required Awesome Shop unlocks:

1. Wall Power Outlets Mk1
2. Modern Catwalks