CHALLENGE BOARD
26 complete investigations
Each card includes materials, four test steps, an observation lens, reflection, and an adult safety check.
OFFLINE FAMILY STEM WORKSHOP
Questions belong on the workbench.
SparkBench Workshop turns ordinary materials into careful investigations. Families and educators can choose a challenge, review safety, make a prediction, test one variable, and keep a private on-device note.
FIVE PURPOSE-BUILT DRAWERS
A lab bench, not a feed.
The interface is organized around making and reflection rather than accounts, streaks, social comparison, or advertising.
SPIN LAB
Five thoughtful remixes
Short prompts support prediction, accessibility, collaboration, safe reset, and evidence-based sharing without scores.
REFERENCE DRAWERS
Vocabulary with boundaries
Plain-language STEM terms, transparent content sourcing, organization facts, privacy controls, and publication checks.
32editorial learning scenes
0network permissions
17privacy sections
1local erase control
ADULT-GUIDED BY DESIGN
Pause before the project.
Every investigation asks a responsible adult to review age fit, allergies, choking risks, tools, heat, water, cords, outdoor conditions, and cleanup. The app offers reminders; the adult makes the decision.
Open support guidePRIVACY THAT MATCHES THE BUILD
Nothing leaves the device.
No account, ads, analytics, telemetry, cloud sync, external contact action, or third-party SDK. Notebook text and progress remain in Android app-private storage until the user erases them or uninstalls.
For families
No child's name, age, email, school, photo, voice, precise location, or contact list is requested.
For educators
No roster, classroom code, messaging, assignment submission, or learner analytics exists.
For reviewers
Policy, permissions, Data Safety notes, and actual app behavior are written to agree with one another.