Trusted by 1,000+ US classrooms Teaching electronics since 1996 POs & District Pricing Accepted
#1 Classroom System · Since 2024

MR CIRCUIT MC1-SET
Equip a whole classroom.
One box. Done.

• Perfect for FUTURE ENGINEERS AND TECHNICIANS • Fun and Exciting Hands-On Experiments to learn basic electronics technology • Easy to manage • Written and Online lessons and quizzes • All experiments run on 9 volt battery • Reusable and Durable • Easy on the instructor and exciting for the student •

Learn More - MC1-SET · $164 →Request a Quote
Very Popularclassrooms using MC1
30students per set
34lessons · printed guide
Made in USA MR CIRCUIT MC1-SET Equip a whole classroom. [hl]
MC1-SET$164.00
Classroom flagship
"My students are more engaged than they've been in years."— Mr. Davis · High School STEM, TX
Lab 1 · Bestseller · 1,000+ sold

MR CIRCUIT LAB 1 -
Start with circuits.
No soldering. No mystery.

• Perfect for FUTURE ENGINEERS AND TECHNICIANS • Fun and Exciting Hands-On Experiments to learn basic electronics technology • Easy to manage • Written and Online lessons and quizzes • All experiments run on 9 volt battery • Reusable and Durable • Easy on the instructor and exciting for the student •

Shop Lab 1 — $34.90 →See what's inside
30working circuits
4.9★teacher rating
$0no soldering required
Bestseller MR CIRCUIT LAB 1 - Start with circuits. [hl]
LAB 1$34.9030 circuits · Reusable
34 lesson manual
Lab 2 · Multimeter & Troubleshooting

MR CIRCUIT LAB 2 -
Measure. Diagnose.
Fix it fast and well.

Real multimeter included. Measure voltage, current, resistance on live circuits.

Shop Lab 2 — $49 →See what's inside
25+measurement experiments
DMMmultimeter included
Gr 7–12recommended
Hands-on MR CIRCUIT LAB 2 - Measure. Diagnose. [hl]
LAB 2$49.00Multimeter + manual + parts
Troubleshooting skills
Lab 3 · Digital Logic Gates

MR CIRCUIT LAB 3 -
AND. OR. NOT. and more!
How computers think.

Build real logic gates on a breadboard. Watch truth tables come alive.

Shop Lab 3 — $38 →See what's inside
7logic gates covered
Binarythinking built in
Gr 8–12recommended
CTE-ready MR CIRCUIT LAB 3 - AND. OR. NOT. and more! [hl]
LAB 3$38.00Gates + ICs + truth tables
Digital thinking
Lab 5 · Digital Magic

MR CIRCUIT LAB 5 -
Timers. Counters, etc.
"DIGITAL MAGIC"

We call this fantastic lab, DIGITAL MAGIC. It teaches the fundamentals of Integrated circuits, 555 timers, counters, 7-segment displays. Advances step-by-step through a sequence of hands-on experiments all run on a 9-volt battery so no special equipment is necessary. Students grasp the digital concepts quickly.

Shop Lab 5 — $49 →See what's inside
ICsintegrated circuits
7-segdisplay included
HS+for serious learners
Advanced MR CIRCUIT LAB 5 - Timers. Counters, etc. [hl]
LAB 5$49.00Counters + timers + displays
Digital systems
MrCircuitTech.com · Digital Platform

Labs. Quizzes. Certs.
All included.

Online labs, quizzes, the Ohm's Law game, printable certificates. Free with every kit — forever.

Explore the Platform →Watch demo
Freewith every kit
34video lessons
∞classroom access
Always included Labs. Quizzes. [hl] All included.
MrCircuitTech.comFreeWith every kit · No login fees
Ohm's Law game
Same-Day Shipping Orders ship fast
Made in USA Quality guaranteed
No Soldering Safe for all ages
Under $5/Student Reusable kits
Purchase Orders Accepted

Full Classroom Set

Built for classroom rollout from day one.

Mr Circuit isn't just a product — it's a classroom system. MC1-SET gives you 32 reusable kits so every student builds at the same time.

MC1-SET 32 reusable experiment kits
Teacher support Printed booklet + online lessons + quizzes
Budget fit Only $164 per classroom set
See MC1-SETRequest a quote
Students learning electronics
Teacher-friendlyPOs accepted • reusable kits • lesson support

Choose your path

Four labs. One clear path.

Start with Lab 1 if you need the clearest introduction. The rest of the sequence builds on the last — from basic circuits to logic gates and ICs.

01

Foundations of electronics

Lab 1 — Basic Electronics

Lab 1 — Basic Electronics

The front door into the brand: low-cost, no soldering, and packed with guided experiments that teach components, circuit flow, and practical electronics behavior.

  • 34 lesson plans with theory, setup, and experiments
  • Printed manual plus online lessons and quizzes
  • The cleanest starting point for classrooms and learners
Explore Lab

Used by educators across the country

Trusted by schools, districts, and programs nationwide.

School-friendly buying

Purchase orders accepted, evaluation units available, and formal quotes with 24-hour turnaround. No hoops.

Programs and districts

Public schools, STEM academies, tech programs, youth organizations, and engineering nonprofits — all using Mr Circuit.

Practical support

Real classroom pacing, reusable kits, printed materials, and online lessons — not inflated "innovation" language.

Request a Quote for Your School

The digital platform

Your student's workbench.
Try it yourself.

Every Mr Circuit lab comes with a full online platform. Here's a taste of what students get.

mrcircuittech.com
Lesson 11 of 34 How the 555 Timer Works
5:42
Quiz Check your understanding 5 questions · auto-graded
Game Ohm's Law Challenge Timed · fun for the whole class
Free with every kit

Made for Chromebooks, tablets, and real classrooms.

Every student who gets a kit also gets lifetime access. No logins for you to manage, no fees per seat, no ads. Just the curriculum — online and printable — ready to go.

Explore the platform

Works on any device a student already has. Free forever.

Watch the full walkthrough
Watch: The Simplest Way to Teach Electronics
See students building real circuits in minutes.

See it in action

The simplest way to teach electronics.

Watch how Mr Circuit works in real classrooms — from unboxing to student-built circuits. No soldering, no confusion, just hands-on learning from day one.

Real classroom footageStep-by-step experimentsWorks with any grade level
Watch the VideoExplore the Labs
34 video lessons
30+ experiments
PO friendly buying

Kit of the Month Club

A new electronics kit — every month, at your door.

Perfect for homeschool families, curious kids, and gift-givers. Three new builds each month, a printed guide, and matching digital lessons — for learners who want more than a one-time kit.

Monthly · cancel anytime
$18.95 / month
  • 3 new builds each month
  • ★ Printed instruction guide
  • ▶ Digital lessons + quiz
  • ✓ Cancel anytime, no contract
Start the Club →
Join 500+ families already subscribed
12 months · 36 kitsHere's a peek at what ships
  1. Month 01 Light it up LEDs · resistors · switches
  2. Month 02 Make it move Motors · potentiometers
  3. Month 03 Sense the world Photocells · sensors
  4. Month 04 Hear it beep Speakers · 555 timer
  5. Month 05 Talk in logic Gates · truth tables
  6. Month 06 And beyond… + 6 more every year
01 Pick a plan

Monthly, or gift 3 / 6 / 12 months at once.

02 We ship fast

A new kit lands every month. Same trusted brand, every time.

03 Build + learn

Printed guide, online lessons, and quizzes every time.

04 Pause or cancel

No contracts. Skip a month or cancel any time from your inbox.

Parts & extras

Keep your labs running, year after year.

Replacement parts, component catalog, order forms, and classroom-friendly extras — built around how real teachers work.

Replacement parts

The resistors, capacitors, ICs, and connectors your classroom kits need to keep building.
Order form (PDF)

Download the official replacement parts order form for Lab 1 — PO ready, sign and send.
Component catalog

Browse our full catalog — resistors, LEDs, breadboards, jumper kits, and more.
STEM coloring book

A hands-on coloring book for 2nd–4th graders to explore electronics concepts through art.

Emailmrcircuit23@gmail.com
Call805-295-1642
BuyingPurchase orders accepted

Trusted in classrooms

1,000s of kits.
Generations of builders.

Teachers love the kits. Students love the circuits. Here's what real classrooms say about Mr Circuit.

4.9★ teacher rating
1,000s kits in classrooms
30+ years teaching electronics
98% teacher renewal rate
Verified teacher using Mr Circuit kits★★★★★ Verified teacher
Best investment I've made for my classroom. Every student gets their own kit, the lessons are crystal clear, and the kits last year after year.
K. Rivera Middle School STEM · Arizona
★★★★★

"My students absolutely love these labs. The hands-on approach makes electronics accessible to everyone."

High School Tech Teacher Public School · CA
★★★★★

"She built a burglar alarm on day one. The manual is clear and the video lessons are perfect for at-home learners."

Parent of a 12-year-old Homeschool family · TX
★★★★★

"POs were easy, kits shipped same day, and the teacher materials are gold. We'll keep ordering."

CTE Program Director District STEM · OH

Ready when you are

Start with one lab. Outfit a classroom.
Either way — we'll help.

Jump straight to shopping, or stay in touch for new kit drops and teacher ideas. No fluff, no spam.

Shop nowBrowse all labs, the MC1-SET bundle, or the Kit of the Month Club.
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