The Marshmallow Challenge - 20 sticks of uncooked spaghetti, 1 yard of tape, 1 yard of string, one marshmallow, team of 4. Construct the tallest possible free-standing structure in 18 minutes with the marshmallow on top.
Then watch how the experts do it (see the TED TALK on THE MARSHMALLOW CHALLENGE)
After watching the TED TALK, repeat the challenge to improve the height of your spaghetti tower.
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