Their robot
finally moves.
Circuit is a weekend robotics league for kids 6–12. They build, they compete, they come back next Saturday because they can't wait to try something new.
Trusted by 500+ families across the Bay Area
Next Session
Mar 8, 2026
Sunnyvale · 6 spots left
Free Resources
2 PDFs · No signup needed
Riffle through
what's possible.
Photos, testimonials, free lesson plans, and badges — everything a family needs to go from curious to competing.
Intro to Circuits
Lesson Plan PDF
6 activities, ages 6–9, no soldering required
Team Sparks fine-tuning before round 2
My son has ADHD and every Saturday he asks to go to Circuit. First time that's happened with anything school-adjacent.
Priya M.
Homeschool parent, San Jose
"She built that in 45 minutes. I cried a little." — Mom
League Badges
Unlock as you compete
3 of 6 unlocked · Keep building!
Saturday morning build session — Sunnyvale
The free lesson PDF was so good I used it for our whole troop's engineering badge. Nobody sold me anything first.
Coach Dana R.
Scout Troop 441, Oakland
Build Your First Bot
Step-by-Step Guide
Complete parts list + wiring diagram included
First light. The moment everything clicks.
She came home and rewired our kitchen light switch. We had to have a talk. But also — I was so proud.
James K.
Dad of a 9-year-old, Fremont
Sumo finals, Spring 2025. Neither bot gave up.
2 minutes of bots falling off tables.
Spring 2025 outtakes — 14k views
One email.
Everything to begin.
The Starter Kit Guide includes your first build checklist, age-matched league recommendations, and two free lesson PDFs — no credit card, no commitment.
Already a Circuit family?
Jump straight to League SchedulesGrab the Starter Kit Guide
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Find your
Saturday.
Sessions run 3 hours. Bring your kid and a snack. We supply everything else.
Sumo Bots — Beginner
Ages 7–10Beginner6 spots left
Line Followers — Intermediate
Ages 9–12Intermediate4 spots left
Obstacle Course — All Levels
Ages 6–12All Levels10 spots left
Sumo Bots — Advanced
Ages 10–12Advanced3 spots left
All tools provided
No kit needed to start
Expert mentors
Ratio: 1 mentor per 5 kids
Scout badge eligible
Engineering merit credit
$35 per session
First session free
From the Circuit community
"I signed them up expecting one Saturday. We've been coming for eight months."
Linda T.
Mom of two, Fremont
"The free PDF was better than anything I found on Pinterest. Genuinely useful."
Marcus W.
Homeschool dad, Oakland
"My daughter is 7 and she explains breadboards to her grandparents now. That's Circuit."
Sonia P.
Parent, San Jose
Their eyes go wide.
Every. Single. Time.
Come for the robots. Stay for the Saturday morning ritual that makes your kid feel like an inventor.