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Once you have completed these 10 levels, you can also find video guides to the rest of the games' levels by using the contents bar to the right.
For this level you need to rescue 6 Pets and get at least 25,000 points. You should carry a few Block Buster Boosters into the level to use near the end. Of the three keys that you begin with at the top, use the middle one first as this gives you the most options moving forwards. Once you get the first Column Blaster Booster, use it to rescue the pets on the left-hand side. When you get to the metal block, use the spring on its row to get rid of it.
This is a level that causes many people to get stuck - the easiest way to pass it is to buy lots of Boosters, but obviously not everyone wants to do that. You will come across Glass Blocks, which can only be smashed by hitting them against something hard, like the ground or a pillar - these turn into bombs which are required to continue. If you are still having problems after watching the video, try this one for an alternative strategy: http://www.youtube.com/watch?v=SaN8HekgUlg
Take your time on this level and concentrate on the lucrative Diamonds - these are worth lots of points!
Here you can find embedded videos showing walkthroughs of all of Pet Rescue Saga's levels, continuing, in this section, with levels 51-60.