Spooky Science Slime Lab

Sat · Oct 31·Happy Hollow Park and Zoo, San Jose

Green Halloween at Happy Hollow Park & Zoo offers creepy crawly critter shows, costume parades, crafts, ghoulish games, trick‑or‑treating, and special animal encounters, $3 off admission.

Sat · Oct 31·Roosevelt Cmty Ctr · San Jose

Spooky LEGO workshop at Roosevelt Community Center lets participants build haunted scenes, ghostly builds, and monster‑inspired creations while learning design skills, ages 5–10.

Sat · Oct 31·Evergreen Community Center, Rm 2 · San Jose

Spooky Halloween LEGO® workshop at Evergreen Community Center, Room 2 lets participants build haunted scenes, ghostly builds, and monster-inspired creations, learning design skills, for ages 5–10.

Sat · Oct 31·10 AM – 11 AM·Evergreen, Children's Area, San Jose

Build unique LEGO® and DUPLO® models in the Evergreen library’s Children’s Area, with parental accompaniment required for under‑5s, for ages 12 and under.

Sat · Oct 31·11 AM·San Jose

Eco-friendly Halloween activities at Happy Hollow Park & Zoo include a Creepy Crawly Critter Show, costume parade, crafts, games, animal encounters, and enrichment, free with General Admission.

Sat · Oct 31·11 AM – 12 PM·Rose Garden, 2nd Floor, Teen Room, San Jose

Build towers, spaceships, and whole worlds with LEGO® and Duplo® bricks at the Rose Garden teen room, for ages 5–12.

Fri · Oct 30·6:30 PM – 10:30 PM·IMAX Dome Theater · San Jose

Laser Halloween presents a mesmerizing laser light show of eerie colors and patterns dancing across the IMAX Dome Theater.

Sat · Oct 31·10 AM – 2 PM·The Tech Interactive · San Jose

At The Tech Interactive, create, decorate, and experiment with tissue‑paper ghosts and a spooky balloon to explore static electricity, then take the ghost home.

Sat · Oct 31·10 AM – 2 PM·The Tech Interactive · San Jose

Scientific chills and tech‑tastic thrills with Halloween twists on favorite exhibits at The Tech Interactive, all ages.