This is the original sliding block traffic jam puzzle. The free version brings you 35 challenges ranging from beginner to expert and if you upgrade to the full version there are 2200 challenges.
Grades: 3 - 6 Cost: Lite - FREE Full - $2.99
Catcha Mouse HD
An excellent strategy game where you need to corner your mouse by placing mouse traps before he escapes into one of the holes on the screen. You can purchase extra worlds once you've completed all the Cheeseland levels. Grades: 2 - 6 Cost: FREE
Cut the Rope Lite
An addictive puzzle game that combines physics with awesome visuals. The idea is to feed Om Nom the candy by cutting the ropes in a strategic place and order. The lite version comes with 18 levels but you can upgrade to the full version for stacks more. Grades: 3 - 6 Cost: Lite - FREE Full - $0.99
Simon Says
This app is designed to improve memory and learning patterns. Follow the colour sequences to progress through the levels.As you progress the sequences become more longer and more difficult.