Contact da Vinci Days board (the official overseer of the GKC event)

 

Email: info@davincidays.org

 

Mailing address: da Vinci Days
                         PO Box 1883
                         Corvallis, OR 97339

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Contact Graand Kinetic Challenge

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Email: graandkineticchallenge@gmail.com

Facebook: https://www.facebook.com/dvdgraandkineticchallenge

Instagram: https://www.instagram.com/graandkineticchallenge/