Ethan testing the difference in strength of boosters for
his rocket (boosters for this type are simply plastic disks - the thicker the plastic the more pumps required and the higher the trajectory of the rocket) BTW - this is one of the "absolutest bestest" gifts for a young boy not yet ready for the model rockets that require matches and combustibles!Learning about
(and practicing!)
good posture:
One of EK's art lessons:
The food pyramid:
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