If the kids got their liking to video games from their dad, I could fairly say they got the liking for mind games from me. ^_^ I like these kinds of traditional games...well, you can play this too on a Nintendo DS but holding a puzzle slider in your hand is a lot different. My five-year-old started with these games before he was four and he can now easily solve an 8-cube slide. He is also able to finish one face and half of 4 faces of the rubik's cube, but I will show that later on. Below is a video of the little boy finishing up the puzzle: ---For: ...