Mr Circuit Labs

Reusable, no-soldering electronics kits with a complete printed curriculum and free digital platform access. Every kit works with the same 9V power supply.

1,000+ classrooms equipped
6 products in the lineup
~$2 per student / year
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41 products
Individual Labs
40 products
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1101-LAB - The complete MR CIRCUIT LAB 1  –  "Basic Electronics Experiment Lab" - includes Lab Manual, Parts, and SCB
Mr Circuit Lab 1

Hands-On "Basic Electronics" Experiment Lab

The entry point. 34 fantastic experiments covering resistors, capacitors, transistors, LEDs, and the 555 timer — everything a beginner needs to understand real circuits. Teachers and students love this lab.

34 experimentsNo soldering9V powered
1101-1P - Mr Circuit Electronic Experiment Lab 1  (Economy Version of Lab 1)
Mr Circuit Lab 1P

Hands-On "Basic Electronics" Experiment Lab (economy version)

Same hands-on curriculum as Lab 1 but with online printable lessons instead of a printed manual. This lab comes packaged in a 9×12 resealable 4-mil plastic bag for easy classroom storage and reuse.

Same 34 experimentsOnline printable lessons9V powered
1201-LAB - Complete MR CIRCUIT DELUXE LAB 2  - Book and Lab for "TROUBLESHOOTING ELECTRONIC CIRCUITS with a Digital Multimeter"
Mr Circuit Lab 2

Hands-On "Electronics Troubleshooting" Experiment Lab with Multimeter

Students use a real digital multimeter to measure voltage, current, and resistance — the bridge between basic circuits and real troubleshooting.

25+ measurementsDMM included9V powered
1301-LAB Complete MR CIRCUIT EXPERIMENT LAB 3 - Book and Lab "Basic Digital Logic Gates" for STEM and CTE Students | Made in USA
Mr Circuit Lab 3

Hands-On "Digital Logic Gates" Experiment Lab

Using Transistors and Diodes, you build 8 Logic Gates: YES, NOT, AND, OR, NAND, NOR, XOR, XNOR — You learn Truth Tables and build real logic gates and see truth tables come alive on a breadboard. This is the "inside story" for computers. All computers use Logic Gates to analyze and do computations.

7 gates coveredNo soldering9V powered
1501-LAB - The complete MR CIRCUIT LAB 5  "Basic Digital Electronics Experiment Lab"  called "Digital Magic"
Mr Circuit Lab 5

Hands-On "Digital Electronics" Experiment Lab -- called "Digital Magic"

This fantastic lab teaches digital electronics with Integrated circuits, 555 timers, counters, and 7-segment displays — this is the next step for learners ready to build real digital systems using Arduinos, etc.

ICs + counters7-segment display9V powered
#1101-MAN - The LAB MANUAL for Mr Circuit Lab 1 Manual "Basic Electronics Experiment Lab" -  Printed in the USA for STEM and CTE Students

#1101-MAN - The LAB MANUAL for Mr Circuit Lab 1 Manual "Basic Electronics Experiment Lab" - Printed in the USA for STEM and CTE Students

#1201-MAN - Mr circuit Lab 2 Manual - "TROUBLESHOOTING ELECTRONIC CIRCUITS with a Digital Multimeter"

#1201-MAN - Mr circuit Lab 2 Manual - "TROUBLESHOOTING ELECTRONIC CIRCUITS with a Digital Multimeter"

1301-MAN - Set of BOOKLETS for MR CIRCUIT EXPERIMENT LAB 3 "Digital Logic Gates" for STEM and CTE Students | Printed in USA

1301-MAN - Set of BOOKLETS for MR CIRCUIT EXPERIMENT LAB 3 "Digital Logic Gates" for STEM and CTE Students | Printed in USA

1501-MAN - Mr Circuit Lab 5 Manual - "Digital Electronics" called "DIGITAL MAGIC"  Printed in the USA for STEM and CTE students

1501-MAN - Mr Circuit Lab 5 Manual - "Digital Electronics" called "DIGITAL MAGIC" Printed in the USA for STEM and CTE students

Replacement Parts for Lab 1 or MC1-SET - (multiples of each part)

Experiment Parts for Lab 1 or MC1-SET - (multiples of each part)

1101-BP01 Bag#01 for Mr Circuit Lab 1 ** Resistors 1/2 Watt 10 Ohms (Pack of 10)

1101-BP01 Bag#01 for Mr Circuit Lab 1 ** Resistors 1/2 Watt 10 Ohms (Pack of 10)

1101-BP02 Bag#02 for Mr Circuit Lab 1 ** Resistors 1/2 Watt 47 Ohms (Pack of 10)

1101-BP02 Bag#02 for Mr Circuit Lab 1 ** Resistors 1/2 Watt 47 Ohms (Pack of 10)

1101-BP00 Solderless Circuit Board with 400 connections

1101-BP00 Solderless Circuit Board with 400 connections

1101-BP03 Bag#3 for Mr Circuit Lab 1 ** Resistors 1/2 Watt 100 Ohms (Pack of 10)

1101-BP03 Bag#3 for Mr Circuit Lab 1 ** Resistors 1/2 Watt 100 Ohms (Pack of 10)

1101-BP04 Bag#4 for Mr Circuit Lab 1 ** Resistors 1/2 Watt 220 Ohms (Pack of 10)

1101-BP04 Bag#4 for Mr Circuit Lab 1 ** Resistors 1/2 Watt 220 Ohms (Pack of 10)

1101-BP05 Bag#5 for Mr Circuit Lab 1 ** Resistors 1/2 Watt 1000 (1k) Ohms (Pack of 10)

1101-BP05 Bag#5 for Mr Circuit Lab 1 ** Resistors 1/2 Watt 1000 (1k) Ohms (Pack of 10)

1101-BP06 Bag#6 for Mr Circuit Lab 1 ** Resistors 1/2 Watt 2200 (2.2k) Ohms (Pack of 10)

1101-BP06 Bag#6 for Mr Circuit Lab 1 ** Resistors 1/2 Watt 2200 (2.2k) Ohms (Pack of 10)

1101-BP07 Bag#7 for Mr Circuit Lab 1 ** Resistors 1/2 Watt 3300 (3.3k) Ohms (Pack of 10)

1101-BP07 Bag#7 for Mr Circuit Lab 1 ** Resistors 1/2 Watt 3300 (3.3k) Ohms (Pack of 10)

1101-BP08 Bag#8 for Mr Circuit Lab 1 ** Resistors 1/2 Watt 6800 (6.8k) Ohms (Pack of 10)

1101-BP08 Bag#8 for Mr Circuit Lab 1 ** Resistors 1/2 Watt 6800 (6.8k) Ohms (Pack of 10)

1101-BP09 Bag#9 for Mr Circuit Lab 1 ** Resistors 1/2 Watt 16,000 (16k) Ohms (Pack of 10)

1101-BP09 Bag#9 for Mr Circuit Lab 1 ** Resistors 1/2 Watt 16,000 (16k) Ohms (Pack of 10)

1101-BP10 Bag#10 for Mr Circuit Lab 1 ** Resistors 1/2 Watt 33,000 (33k) Ohms (Pack of 10)

1101-BP10 Bag#10 for Mr Circuit Lab 1 ** Resistors 1/2 Watt 33,000 (33k) Ohms (Pack of 10)

1101-BP11 Bag#11 for Mr Circuit Lab 1 ** Resistors 1/2 Watt 120,000 (120k) Ohms (Pack of 10)

1101-BP11 Bag#11 for Mr Circuit Lab 1 ** Resistors 1/2 Watt 120,000 (120k) Ohms (Pack of 10)

1101-BP12 Bag#12 for Mr Circuit Lab 1 ** Resistors 1/2 Watt 470,000 (470k) Ohms (Pack of 10)

1101-BP12 Bag#12 for Mr Circuit Lab 1 ** Resistors 1/2 Watt 470,000 (470k) Ohms (Pack of 10)

1101-BP13 Bag#13 for Mr Circuit Lab 1 ** Speaker with solid leads (Pack of 2)

1101-BP13 Bag#13 for Mr Circuit Lab 1 ** Speaker with solid leads (Pack of 2)