Meet Amazing Alex - a creative kid who likes to make barmy contraptions out of toys and other things he finds lying about the house. In this physics-puzzler, it's your job to slot in the missing pieces to make his chain reactions come to life.

The second chapter is The Backyard. These 32 tricky stages will introduce you to a number of new Amazing Alex toys. You'll play with pipes, bounce on springs, fire darts and balls in the slingshot, slug objects with a boxing glove on a spring, and go skateboarding.

If you get stuck, load up the level fresh and then recreate the set-ups shown in our screenshot walkthroughs. If you follow our advice to the letter, you'll beat the stage and unlock three stars on every level.

Level 1 - Fill in the Blanks
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Level 2 - Pipe Works
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Level 3 - Garage Sale
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Level 4 - Ball Crossing
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Level 5 - Pop 'n Cut
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Level 6 - Brute Force
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Level 7 - Tower Madness
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Level 8 - Stuck Up
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Level 9 - Double Whammy
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Level 10 - Slam Dunk
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Level 11 - Swinging Technique
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Level 12 - Time That Swing
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Level 13 - Multi Punch
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Level 14 - Back & Forth
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Level 15 - Fort Box
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Level 16 - Leverage
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Level 17 - The Catapult
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Level 18 - Darting Around
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Level 19 - To Catch a Thief
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Level 20 - Balloon Voyage
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Level 21 - Underwater Adventure
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Level 22 - Box-ing
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Level 23 - Pop Goes the Balloon
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Level 24 - Basket + Ball
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Level 25 - Spring Forward
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Level 26 - Put It Away
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Level 27 - Shaky Towers
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Level 28 - Sliders
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Level 29 - Moving Day
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Level 30 - Off the Shelf
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Level 31 - Juggling Time
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Level 32 - Cannonball
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