Contact Us

Curious about what, when, where, why, or how we offer GREAT fun for kids (and adults)?  Perfect! Just give us a shout.

Phone:     (302) 313-5139 


Address:  18388 Coastal Highway #10, Lewes, DE 19958

Hours of Operation

Subject to change!

Revised Hours Due to Covid-19

Tuesday - Sunday


Closed on Mondays

During the School Year

Mon - Tue: Closed
Wed - 11am-2pm | 5pm - 7pm

Thur: Closed

Fri: 4pm - 7:00pm
​​Saturday: 11am - 5pm
​Sunday: 11am - 5pm

No School Days:
Open at 11am

Summer Hours

(June 15 - Labor Day)


Varies, see above.

Holiday Hours

Easter Day - Closed

Thanksgiving Day - Closed

Christmas Eve - 11am - 2pm

Christmas Day - Closed

New Years Eve - 11am - 2pm

New Years Day - Closed

Hours expand and contract all the time!! 

Check back to confirm.

The Great STEMporium

18388 Coastal Highway #10

Lewes, DE 19958

(302) 313-5139

  • Facebook Social Icon
  • Instagram
  • YouTube
  • Pinterest Social Icon

©2020 by The Great STEMporium  |   Terms  | Privacy Policy  | Staff Portal

Promo Video Release Forms