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Welcome to the December 2023 Rock Solid Challenge!

The objective is to construct a device that not only protects the egg during a fall but also ensures its rapid descent. The winner will be determined by whose egg descends the quickest without breaking.

Rules for December 2023:

Location: __________________, Date: ___/___/_____, WWW:

Note: Organizing parent funds the prize. Participants fund their designs from their lunch money.


The 2023 winner design is metal ball filled with popcorn and wood glue and a bit of ducktape, this is how it looked after the throw:
I threw it with force from the roof: