Blast the Past

This score requirement is only attainable on level 3.

1. Destroy the foundation, 1st and 2nd floor under the center building dome, let it drop in the middle of the other structures, then there is less chance of it flying away while you demolish it.
2. Then go top down on the rest of the structure, i used the extender arm agressively.
3. The 10 items net 1k each if you touch them with the wrecking ball, if you lack the last few points.

Optional: Use the toy gun to cleanup the level.