How to Solve Level 4 Dr. Cockroach Puzzles in Monsters vs. Aliens (DS)

I cannot play or access specific puzzle states.

General Puzzle Tips

• Observe: Clues in environment, dialogue, patterns.
• Experiment: Try unconventional interactions.
• Use Tools: Check inventory for relevant items.
• Walkthroughs: Search "Monsters vs Aliens DS Dr. Cockroach level 4 walkthrough" on YouTube/GameFAQs.

Good luck!