Listmania!
No batteries, no noise, no lame-o toys
By an Amazon.com customer
SET GameSET Game
Buy new: $9.79
Challenging for all ages > 7; you learn to quickly identify and organize sets by differences and similarities; very helpful introduction with a smaller set of cards before using all of the cards
Blokus ClassicBlokus Classic
Buy new: $40.49
Easy rules are quick to learn, my 5 yr old plays and has begun to master some strategy. Best played with 4 people. Makes you use your spatial reasoning. Quick games (< 30 minutes with 4 players).
Deluxe Wood MancalaDeluxe Wood Mancala
Pure strategy, two simple rules for play, quick games, good for mixed ages
Shut-The-Box Old Century EditionShut-The-Box Old Century Edition
Buy new: $59.98
Strategy & luck; quick to play, encourages familiarity with probability and +/- skills so great for kids & adults to play
ThinkFun Rush HourThinkFun Rush Hour
Buy new: $16.81
Great for developing problem-solving skills; challenges grow from easy to difficult
Finding Nemo Memory GameFinding Nemo Memory Game
Little kids have amazing visual memory; my little one beats me at this almost every time.