Make a zipline to deliver secret messages
Mechanical Engineering
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It's time for ziplines! What can you carry across a line? Show us by delivering your secret message.
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Mechanical Engineering
Step 1
It's time for ziplines! What can you carry across a line? Show us by delivering your secret message.
Final steps
You're almost there! Complete all the steps, bring your creation to life, post it, and conquer the challenge!
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