I'm new to MAG and finding many differences from WAG. Someone just told me earlier in the week that there are different divisions within levels. My son is just starting at 4, and I was told there is a division 1 and 2. Is that true all the way through MAG? Are there more than two divisions in some levels? And, which is considered more difficult- 1 or 2? Is it age based? So much to learn!