Calling all volunteers—past, present, and future! Join us for a welcoming Volunteer Social & Open House at OHTM and discover […]
Practice stacking skills by stacking as many apple Cheerios as possible, make applesauce oobleck, and create an apple printing craft to take home. Come-and-go […]
Practice stacking skills by stacking as many apple Cheerios as possible, make applesauce oobleck, and create an apple printing craft to take home. Come-and-go […]
Discover chemical reactions with baking soda and vinegar by using pumpkins as an art canvas, and make a fizzy pumpkin patch! Come-and-go style activities (can come anytime between 10:30-11:30) Free […]
Discover chemical reactions with baking soda and vinegar by using pumpkins as an art canvas, and make a fizzy pumpkin patch! Come-and-go style activities (can come anytime between 10:30-11:30) Free […]
‘Tis the season for pumpkins at OHTM! Make your own STEM pumpkin patch with a marble maze, a fizzy pumpkin patch with baking soda and water, sculpt pumpkins, and make […]
Use Magnatiles to create tangrams and explore 3D shapes. These are tangrams! Come-and-go style activities (can come anytime between 10:30-11:30) Free with admission or membership *** Age range: 2yrs - […]
Use Magnatiles to create tangrams and explore 3D shapes. These are tangrams! Come-and-go style activities (can come anytime between 10:30-11:30) Free with admission or membership *** Age range: 2yrs - […]
Density exploration using milk, oil, and dish soap - lava lamp sensory bin. Come-and-go style activities (can come anytime between 10:30-11:30) Free with admission […]
Density exploration using milk, oil, and dish soap - lava lamp sensory bin. Come-and-go style activities (can come anytime between 10:30-11:30) Free with admission […]
for employee enrichment and planning day.
We will be resuming normal hours Saturday, November 14.
Thank you!
The museum will be closing at 4 pm for a private event.
Thank you.
featuring: Engine Room demonstrations, vintage vehicle rides, special interactive STEM activities and Museum exhibits and collection highlights.
Come spend the day at with us and enjoy a great lineup of activities for the whole family.
Due to the inclement weather this weekend the Exhibitor Rally Season Finale has been canceled.
We will be open for auction pickup & drop-off ONLY.
Regular hours will resume Tuesday, Aug 25. Thank you.
-The OHTM team
We will reopen Saturday at 10 am for the WINGS & WHEELS Airshow.
The Science & Industry Center will reopen for the Junior Inventors program from 4:30 PM-6:30 PM.
October 26, 2026 5:04 pm
The museum will be closed today for a staff retreat. We will return to normal hours starting tomorrow, Saturday, May 2nd at 10 AM.
