Consider the following:

• CT Invention Convention
• Grades K-8 http://www.ctinventionconvention.org/

• Google Science Fair (for 2019-20 Academic Year)
  • Ages 13 and above http://www.google.com/events/sciencefair/

• Toshiba/ NSTA ExploraVision Awards
• Grades K-12 http://exploravision.org

• Discovery 3M Young Scientist Challenge
• Grades 5-8 www.youngscientistchallenge.com

• Westport Maker Faire
  • All ages https://westport.makerfaire.com/call-for-makers/