Since our tickets to Robo Games DIDN'T arrive (most upsetting), my boy and I spent most Saturday attempting to use the erector sets to create a steam-powered car. We were pretty successful! The only reason it doesn't work is that the rubber-bands that power it aren't quite strong enough to transfer the power. I think we'll need to switch to sprockets with chain. But a good first attempt none the less! See my flickr set for more pics.
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