Just Escape Futuristic Room 4 Walkthrough

Just Escape Futuristic Room 4 Guide:
Open locker. Take pen and keycard in coat pocket. Take item inside book.
Open other locker. Take copper wire spool.

Tap computer screen. Open battery panel with pen, then take battery. Swipe blue card. Change left lightbulb to red with line through it, change right lightbulb to blue with lines coming out of it.
Look at number on right: 0529

Tap computer screen. Change left lightbulb to green.

Just Escape Futuristic Level 4 Guide:
Combine copper wire spool and pen. Then combine the battery. Use it to get the key under the grate in the ground.

Just Escape Futuristic Level 4 Guide:
Use key to open locker. Take id badge in coat. Dismantle id badge to get green keycard.

Tap computer and swipe green card. Enter 0529, then swipe red card. Move all blocks to C. Smaller blocks stack on bigger blocks.

Proceed to the next Just Escape level!