We dug out channels and ran water through them. We noticed the sides were breaking away (erosion) from the water. Two of our rivers joined up. We also watched the water coming down the mountain and how it created streams into the lake.
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Persevering with a challenge
These engineers are working with the materials to make the best path for the tennis balls and marbles to go down into the basket.
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Everyone worked well together to form a lake and river in the mountains. River was a great hose man! -
These engineers are working with the materials to make the best path for the tennis balls and marbles to go down into the basket.
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