Spooky Science Slime Lab

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 31·10:30 AM – 5 PM·Bascom, Children's Area., San Jose

Make a 2½‑inch Halloween glitter globe with foam pieces, glitter and plastic globes in a 15‑minute drop‑in craft at Bascom, San Jose, free, for ages 5–12.

Sat · Oct 31·3 PM – 4:30 PM·Biblioteca Latinoamericana, Children's area, San Jose

Build anything you like with abundant LEGO bricks, alone or in teams, at the Biblioteca Latinoamericana children’s area—free, no registration required, for ages 5–18.

Sun · Nov 1·Plant Science Center · San Jose

Create colorful corn and bean mosaics while learning about the Three Sisters crops and their indigenous and agricultural history, at the Plant Science Center, ages 8–12.

Sun · Nov 1·Vineland, San Jose

Write a thank‑you note on a paper leaf and attach it to the Gratitude Tree by the Information Desk; free, for all ages.

Fri · Oct 30·4:30 PM – 5:30 PM·Calabazas, San Jose

Arts & Crafts Fun (Calabazas, San Jose) — Budding Leaders offers arts and crafts classes with materials, adult help for younger, solo for older, for ages 5–12.

Fri · Oct 23·10 AM – 2 PM·The Tech Interactive · San Jose

Teachers & Tacos at The Tech Interactive provides Halloween STEM activities for teachers and students, free.

Fri · Oct 23·4:45 PM – 8:45 PM·IMAX Dome Theater · San Jose

Stranger Things laser show at IMAX Dome Theater immerses viewers in upside-down visuals with ’80s music reinterpreted in vibrant laser light.

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.