# Wild Science: Water + Soil = MUD at Happy Hollow

> Event for families in the San Jose–Sunnyvale–Santa Clara area (CA). Times are Pacific Time.

- When: Sat, Dec 5
- Where: Happy Hollow Park & Zoo, 748 Story Road, San Jose, CA 95112
- Ages: Ages 4 to 6
- Price: $35 non-members / $31.50 members
- Organizer: Happy Hollow Park & Zoo
- Official page: https://anc.apm.activecommunities.com/sanjoseparksandrec/activity/search/detail/140319?onlineSiteId=0&locale=en-US&from_original_cui=true
- Last checked: Fri, Oct 30

Source: Grassy Knees is a directory of real family events, places and programs for kids across major U.S. metro areas, where every listing is researched from the organizer’s own page and shows the date we last checked it. https://grassyknees.com covers 42 metro areas as of Nov 2, 2026, with more added regularly. About: https://grassyknees.com/about
Freshness: listings are re-checked on a daily research run (latest check 2026-11-01), and new events are added as organizers post them. Sell-outs, weather cancellations and time changes show up on the live page first: https://grassyknees.com/san-jose/activities/wild-science-water-soil-mud-at-happy-hollow--listing-e893a78f599468dda4f954e5

## About

Early-learning zoo science class for ages 4 to 6 exploring water and soil, with hands-on activities and a visit from an animal ambassador. It is a drop-off program, though parents are welcome to join.

## Similar picks in San Jose

- [Zoo U-niversity: Conservation Investigation at Happy Hollow](https://grassyknees.com/san-jose/activities/zoo-u-niversity-conservation-investigation-at-happy-hollow--listing-3fd222b9ce8c59efbd2fadb0) — Sat, Dec 5 · 2:00 PM – 4:00 PM · Happy Hollow Park & Zoo · Ages 10–13 · From $35 · checked Oct 24. Zoo U-niversity is a drop-off afternoon class for tweens ages 10 to 13 who want to go beyond feeding and cleaning to see the science of zookeeping: problem solving, emergency…
- [Wild Science for Ages 4–6 at Happy Hollow](https://grassyknees.com/san-jose/activities/wild-science-for-ages-4-6-at-happy-hollow--listing-f353dd6ff542986154a6fb26) — Sat, Nov 7 (+1 more date) · 10:00 AM – 12:00 PM · Happy Hollow Park & Zoo · Ages 4–6 · From $35 · checked Oct 24. Wild Science is a Saturday-morning discovery class for early-learning scientists ages 4 to 6. It is a drop-off program, though parents are welcome to join in. Each two-hour class…
- [Family Fun Saturdays at Happy Hollow Park & Zoo](https://grassyknees.com/san-jose/activities/family-fun-saturdays-at-happy-hollow-park-and-zoo--listing-6cc5eb28061c4a9b0ba94f7b) — Sat, Nov 14 (+2 more dates) · 10:00 AM · Happy Hollow Park & Zoo · From $40 · checked Oct 30. A zoo class for the whole family with interactive discussion, inquiry-based activities and a visit from an animal ambassador. One registration covers a family group of up to…
- [Light Up the Night! A Hanukkah Celebration & Science Spectacular](https://grassyknees.com/san-jose/activities/light-up-the-night-a-hanukkah-celebration-and-science-spectacular--listing-12b8d83bb4ea5c8d69448fb4) — Wed, Dec 9 · 5:00 PM · Yavneh Day School, Los Gatos · All ages · checked Oct 30. Light Up the Night at Yavneh Day School combines a Hanukkah celebration with a science evening for families. Visitors explore classrooms filled with hands-on activities and meet…
- [Science Sundays for Grades K-2 at Milpitas Library](https://grassyknees.com/san-jose/activities/science-sundays-for-grades-k-2-at-milpitas-library--listing-648aa817d0305c02504eac93) — Sundays in November, 3:30–4:30 pm, Children's Activity Room · Milpitas Library · Free · checked Oct 24. Each Sunday in November, Milpitas Library sets up a new hands-on science experiment for kindergarten to second graders to do alongside a parent or caregiver. The sessions are…
- [Youth Science Institute Nature Center at Vasona Park](https://grassyknees.com/san-jose/activities/youth-science-institute-nature-center-at-vasona-park--listing-a347b854099731b7550acfa3) — Thursday & Friday 11:00 am–3:00 pm; Saturday & Sunday 10:00 am–3:00 pm. Enter Vasona… · YSI Nature Center – Vasona Park, Los Gatos · checked Oct 28. The Youth Science Institute, a Bay Area nature-education nonprofit since 1953, runs a newly renovated nature center at the north end of Vasona Lake County Park. Inside, children…

## More for families

- [Things to do with kids at Happy Hollow Park & Zoo](https://grassyknees.com/san-jose/venues/happy-hollow-park-and-zoo) (Markdown: https://grassyknees.com/san-jose/venues/happy-hollow-park-and-zoo.md)
- [Things to do with kids in Santa Clara County, CA](https://grassyknees.com/san-jose/counties/santa-clara-county-ca) (Markdown: https://grassyknees.com/san-jose/counties/santa-clara-county-ca.md)
- [This weekend in San Jose](https://grassyknees.com/san-jose/this-weekend) (Markdown: https://grassyknees.com/san-jose/this-weekend.md)
- [Things to do with kids in San Jose](https://grassyknees.com/san-jose) (Markdown: https://grassyknees.com/san-jose.md)
