This cool little devise simulates black holes, and lets you play with different gravities.
Several computer games have you answer science questions to gain points.
Although it's a little blurry, this one has you design a bridge.
The Gravitram - this very cool gravity-fed ball roller coaster has been there since Robb was a kid.
It neveer fails to amaze!
This one was a challenge to build the best rubber-band boat
Kayl sends a Morse code message.
Sean learning about pulleys.
Mary has an 'electric' personality...
As the conductor (the big silver ball) charges up, the pie tins fly from your hand.
This one's a game about animal life...
One of the kids' favorite rooms is the 'ball room', where you can make air pumps move balls all over the place.
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