We studied friction and mechanical force - proving that one young lady could easily hold her own in a tug of war against all the guys including her Daddy.
Nobody thought they could move a piece of plywood that someone stood on, but once we added dowels or even better marbles, it was as easy as a light puff.
Everyone made a retractable pen holder, and Lukas happily attached his to the ceiling to test out his. There were some adjustments that were necessary, realizing that not everything in science is a home run on the first try, but after some problem solving, some careful re-crafting and the right counter weights, we had retractable pens. Noah already saw the use for this pulley in his Lego creations and quickly cut off the pen and replaced it with Legos. More exploring means more learning.. and yet he thought he was only playing Lego...shhhhh
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