Tetris Nano Electronic Carabiner
There's something about this retro wonder that's irresistible -- stick one in a stocking for an anytime brainteaser. It's small enough to fit in the palm of a child's hand, but sports the same falling Tetriminos you may remember from your own childhood.
See the full review here.
To see our entire 2012 Gift Guide for every grade, click here.
