GeekDad Puzzle of the Week: Gear Up
I hope this is a fairly kid-friendly, hands-on challenge -- perhaps even with the opportunity for a teachable moment or two. That said, if you don't happen to have Lego gears lying around the house,...
View ArticleGeekDad Puzzle of the Week Answer: Gear Up
Piaget's developmental stages should certainly include mention of the age at which kids learn to build with Lego gears. And then the next stage would be understanding them. This week's puzzle required...
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