1. First, grab the magnet to become a scientist pickle. From there, move right and use the scientist to pull down the block that is plugging up your way.

2. Though this may seem hard at first, it's really quite simple. It's sort of like the 2/1 trick in reverse. Pull two blocks out, leaving one block between them...

3. ...Then drop the magnet and push the remaining block in.

4. Now all you have to do is use the 2/1 trick!