Gravel Grippers
607 views · 8 years ago · 2:10
Feb 21, 2018 · 607 views
Ethan's invention for the ATT Aspire and Imagination.org Inventor's Challenge.
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607 views · 8 years ago · 2:10
Feb 21, 2018 · 607 views
Ethan's invention for the ATT Aspire and Imagination.org Inventor's Challenge.
Show more