STEM · Waltham
October-June Sessions
K2 Enrichment Program
Seven-week STEM and STEAM design-challenge sessions include hands-on science, building projects, sewing and art. The 2026-27 calendar lists weekday afternoons and Saturday mornings.

What to know
- Who it is for
- Grades K-5 and older
- Published cost
- $388 per 7-week session, materials included
- Venue
- 85 River St, 2nd floor, Unit 10A, Waltham, MA 02453
- Published dates
- 2026-11-02 – 2026-12-14 · Mon · 3:30 PM – 6:00 PM · 85 River Street, Waltham, MA; 2026-11-17 – 2027-01-05 · Tue · 3:30 PM – 6:00 PM · 85 River Street, Waltham, MA; 2026-10-21 – 2026-12-16 · Wed · 3:30 PM – 6:00 PM · 85 River Street, Waltham, MA
- Registration
- Register for each seven-week session
- Level
- recreational
- Time commitment
- 2.5 hours once/week for 7 weeks
Published sessions
- 2026-11-02 – 2026-12-14 · Mon · 3:30 PM – 6:00 PM · 85 River Street, Waltham, MA
- 2026-11-17 – 2027-01-05 · Tue · 3:30 PM – 6:00 PM · 85 River Street, Waltham, MA
- 2026-10-21 – 2026-12-16 · Wed · 3:30 PM – 6:00 PM · 85 River Street, Waltham, MA
Where it meets
85 River St, 2nd floor, Unit 10A, Waltham, MA 02453
85 River St, Waltham, MA
Open in Google Maps ↗ Venue read from the provider’s page ↗.
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