Magedge, this 24 pieces magnetic construction set, is absolutely a new revolution of magnetic educational toy. Each side has an strong magnet to held the blocks together.
What's more, there is no difference between N pole and S pole, blocks can be rotated and easily connected. 
And the greatest point is, the more sets you own, the larger range of building combinations you will get. 
Imagine a dinosaur or a helicopter with the magic magedge!