Contact Us
Da Vinci Days, Inc & GKC
Contact da Vinci Days Board
The official overseer of the GKC event.
Mailing Address
Da Vinci Days Inc
P.O. Box 1883
Corvallis, OR 97339
Contact Graand Kinetic Challenge
Director: Stacey Newman Weldon
Send Us a Message
33rd Annual Corvallis da Vinci Days Graand Kinetic Challenge
2026 Festival
July 18-19, 2026
Corvallis, Oregon