Mini-games:

Platform: Nintendo DS

Keep playing the game to collect stamps in your book. The corresponding mini-game will become unlocked after a minimum number of stamps are collected.
Number order memorization: 1 stamp.
Syllable counting: 2 stamps.
People counting: 3 stamps.
Learning tips: 5 stamps.
Change your stamp design: 7 stamps.
People counting (hard version): 9 stamps.
Math 100 (hard version): 11 stamps.
Multi-step mental math: 13 stamps.
Clock reading: 15 stamps.
Multi-step mental math (hard version): 17 stamps
Verbal math: 20 stamps.