Use the Left mouse button (LMB) to select an asset.

Press DELETE to delete an asset.

Q - Move asset

W - Rotate asset

E - Scale asset

Move, rotate and scale while holding:

Shift - To duplicate an asset

Ctrl - Hold and use left mouse button (LMB) to select multiple assets

S - Toggle snap to grid

Ctrl - Hold to enable local transform. The transform gizmo will be relative to the

object.

G - Create a block grid

I - Show editor and world info

Press SPACE to place a player model on the ground.

This will help you get a better sense of scale.