How do I choose between similar-sounding educational games?

Play time versus actual engagement time
A 30-minute game box might mean 20 minutes of actual decision-making. Watch how long players actively think between turns. Fast turns with downtime bore players. Consistent engagement matters more than total duration.
Component quality and durability
Compare what you're actually handling: How sturdy are cards? Do tokens feel cheap? Will pieces survive 30+ plays? Better components survive regular use and feel better to manipulate, which affects willingness to replay.
Replayability built-in
Games with variable setups, randomized elements, or player choice offer different experiences each play. Games with a fixed sequence become predictable. Check whether rules allow for varied strategies or if optimal play always looks the same.
Learning curve steepness
Read how complex the rulebook is. Download and skim it before buying if possible. A game that takes 20 minutes to explain fully will frustrate most groups. Simpler rules mean more time actually playing.
What kids actually say
Ask players who've used both games which they'd rather play again. Preference is honest data that marketing claims can't match.