How do you figure out level 4 dr cockroach puzzles monsters vs aliens on the ds?

To solve Level 4 of the Dr. Cockroach puzzle in "Monsters vs. Aliens" on the DS, you need to carefully observe the layout and the available pieces. Focus on matching the colored blocks to create pathways and connect the energy sources. Utilize the unique abilities of the characters to manipulate objects effectively. If you're stuck, try experimenting with different configurations until you find the solution.