Black FridayIs Live
New deals drop daily until Cyber Monday, and the best ones go first. Don’t wait.
Black FridayIs Live
New deals drop daily until Cyber Monday, and the best ones go first. Don’t wait.
Today’s Deals. Tomorrow, New Ones.
New deals drop every day of Black Friday week. Miss today’s, and they’re gone.
Offer 1
Synthia 2.0Build & code an all-in-one sampler, drum machine, sequencer & synth
Only 19 left
Offer 1
Synthia 2.0Build & code an all-in-one sampler, drum machine, sequencer & synth
Only 19 leftOffer 2
Smartwatch Bundle 2.0Build two smartwatches and program them both!
Only 50 left
Offer 2
Smartwatch Bundle 2.0Build two smartwatches and program them both!
Only 50 leftOffer 3
Black Friday BundleGet our 8 best projects in one incredible Black Friday deal!
Only 48 left
Offer 3
Black Friday BundleGet our 8 best projects in one incredible Black Friday deal!
Only 48 leftBrowse more products
exclusive
Butter Bot
Sentient, AI-powered robot inspired by Rick and Morty with extra modules
'%3e%3cpath%20id='Vector'%20d='M9.51631%200.761719C9.76265%200.761719%209.9642%200.965035%209.9642%201.21353V3.47261H13.0994C14.583%203.47261%2015.7867%204.68686%2015.7867%206.1835V12.5089C15.7867%2014.0055%2014.583%2015.2198%2013.0994%2015.2198H5.93322C4.4496%2015.2198%203.24591%2014.0055%203.24591%2012.5089V6.1835C3.24591%204.68686%204.4496%203.47261%205.93322%203.47261H9.06843V1.21353C9.06843%200.965035%209.26998%200.761719%209.51631%200.761719ZM5.93322%204.37624C4.94508%204.37624%204.14168%205.18668%204.14168%206.1835V12.5089C4.14168%2013.5057%204.94508%2014.3162%205.93322%2014.3162H13.0994C14.0875%2014.3162%2014.8909%2013.5057%2014.8909%2012.5089V6.1835C14.8909%205.18668%2014.0875%204.37624%2013.0994%204.37624H9.51631H5.93322ZM6.38111%2011.6053H7.27688C7.52322%2011.6053%207.72477%2011.8086%207.72477%2012.0571C7.72477%2012.3056%207.52322%2012.5089%207.27688%2012.5089H6.38111C6.13477%2012.5089%205.93322%2012.3056%205.93322%2012.0571C5.93322%2011.8086%206.13477%2011.6053%206.38111%2011.6053ZM9.06843%2011.6053H9.9642C10.2105%2011.6053%2010.4121%2011.8086%2010.4121%2012.0571C10.4121%2012.3056%2010.2105%2012.5089%209.9642%2012.5089H9.06843C8.82209%2012.5089%208.62054%2012.3056%208.62054%2012.0571C8.62054%2011.8086%208.82209%2011.6053%209.06843%2011.6053ZM11.7557%2011.6053H12.6515C12.8979%2011.6053%2013.0994%2011.8086%2013.0994%2012.0571C13.0994%2012.3056%2012.8979%2012.5089%2012.6515%2012.5089H11.7557C11.5094%2012.5089%2011.3079%2012.3056%2011.3079%2012.0571C11.3079%2011.8086%2011.5094%2011.6053%2011.7557%2011.6053ZM6.829%207.08713C6.59142%207.08713%206.36358%207.18233%206.19559%207.35179C6.0276%207.52126%205.93322%207.7511%205.93322%207.99076C5.93322%208.23041%206.0276%208.46025%206.19559%208.62972C6.36358%208.79918%206.59142%208.89438%206.829%208.89438C7.06657%208.89438%207.29441%208.79918%207.4624%208.62972C7.63039%208.46025%207.72477%208.23041%207.72477%207.99076C7.72477%207.7511%207.63039%207.52126%207.4624%207.35179C7.29441%207.18233%207.06657%207.08713%206.829%207.08713ZM8.62054%207.99076C8.62054%208.47007%208.43179%208.92975%208.09581%209.26868C7.75983%209.60761%207.30414%209.79801%206.829%209.79801C6.35385%209.79801%205.89816%209.60761%205.56218%209.26868C5.2262%208.92975%205.03745%208.47007%205.03745%207.99076C5.03745%207.51144%205.2262%207.05176%205.56218%206.71283C5.89816%206.3739%206.35385%206.1835%206.829%206.1835C7.30414%206.1835%207.75983%206.3739%208.09581%206.71283C8.43179%207.05176%208.62054%207.51144%208.62054%207.99076ZM11.3079%207.99076C11.3079%208.23041%2011.4022%208.46025%2011.5702%208.62972C11.7382%208.79918%2011.9661%208.89438%2012.2036%208.89438C12.4412%208.89438%2012.669%208.79918%2012.837%208.62972C13.005%208.46025%2013.0994%208.23041%2013.0994%207.99076C13.0994%207.7511%2013.005%207.52126%2012.837%207.35179C12.669%207.18233%2012.4412%207.08713%2012.2036%207.08713C11.9661%207.08713%2011.7382%207.18233%2011.5702%207.35179C11.4022%207.52126%2011.3079%207.7511%2011.3079%207.99076ZM12.2036%209.79801C11.7285%209.79801%2011.2728%209.60761%2010.9368%209.26868C10.6008%208.92975%2010.4121%208.47007%2010.4121%207.99076C10.4121%207.51144%2010.6008%207.05176%2010.9368%206.71283C11.2728%206.3739%2011.7285%206.1835%2012.2036%206.1835C12.6788%206.1835%2013.1345%206.3739%2013.4704%206.71283C13.8064%207.05176%2013.9952%207.51144%2013.9952%207.99076C13.9952%208.47007%2013.8064%208.92975%2013.4704%209.26868C13.1345%209.60761%2012.6788%209.79801%2012.2036%209.79801ZM1.90225%207.08713H2.35014V7.99076H1.90225C1.65591%207.99076%201.45437%208.19407%201.45437%208.44257V11.1535C1.45437%2011.402%201.65591%2011.6053%201.90225%2011.6053H2.35014V12.5089H1.90225C1.16044%2012.5089%200.558594%2011.9018%200.558594%2011.1535V8.44257C0.558594%207.69425%201.16044%207.08713%201.90225%207.08713ZM17.1304%2011.6053C17.3767%2011.6053%2017.5783%2011.402%2017.5783%2011.1535V8.44257C17.5783%208.19407%2017.3767%207.99076%2017.1304%207.99076H16.6825V7.08713H17.1304C17.8722%207.08713%2018.474%207.69425%2018.474%208.44257V11.1535C18.474%2011.9018%2017.8722%2012.5089%2017.1304%2012.5089H16.6825V11.6053H17.1304Z'%20fill='%23191919'/%3e%3c/g%3e%3cdefs%3e%3cclipPath%20id='clip0_2363_66062'%3e%3crect%20width='17.8824'%20height='16'%20fill='white'%20transform='translate(0.558594)'/%3e%3c/clipPath%3e%3c/defs%3e%3c/svg%3e){kind=small}
x1'%3e%3cpath%20id='Vector'%20d='M2.49009%201.4689L5.06642%203.45048V4.85895H3.65795L1.67637%202.28262L2.49009%201.4689ZM5.9315%205.11036C5.9315%205.09955%205.9315%205.08603%205.9315%205.07522V3.34505C5.9315%203.1423%205.83688%202.95306%205.67738%202.83141L2.86586%200.668697C2.60904%200.468647%202.24408%200.492977%202.01159%200.722765L0.930237%201.80412C0.70045%202.03391%200.676119%202.39886%200.873466%202.65839L3.03617%205.46991C3.15783%205.62941%203.34977%205.72403%203.54982%205.72403H5.27998C5.2908%205.72403%205.30432%205.72403%205.31513%205.72403L8.07258%208.47878C7.54542%209.2898%207.63463%2010.3847%208.34562%2011.0957L11.3734%2014.1235C11.7113%2014.4614%2012.2601%2014.4614%2012.5981%2014.1235L14.3282%2012.3933C14.6661%2012.0554%2014.6661%2011.5066%2014.3282%2011.1686L11.3004%208.14086C10.5894%207.42987%209.49456%207.33795%208.68355%207.86781L5.9315%205.11036ZM8.95929%208.75182C9.43779%208.27332%2010.211%208.27332%2010.6895%208.75182L13.7173%2011.7796L11.9871%2013.5098L8.95929%2010.482C8.48079%2010.0035%208.48079%209.23032%208.95929%208.75182ZM3.55252%2011.9959C3.55252%2011.8812%203.50695%2011.7711%203.42583%2011.69C3.34472%2011.6089%203.2347%2011.5633%203.11998%2011.5633C3.00526%2011.5633%202.89524%2011.6089%202.81413%2011.69C2.73301%2011.7711%202.68744%2011.8812%202.68744%2011.9959C2.68744%2012.1106%202.73301%2012.2206%202.81413%2012.3017C2.89524%2012.3829%203.00526%2012.4284%203.11998%2012.4284C3.2347%2012.4284%203.34472%2012.3829%203.42583%2012.3017C3.50695%2012.2206%203.55252%2012.1106%203.55252%2011.9959ZM1.36819%2010.7199C0.965381%2011.1227%200.741%2011.6661%200.741%2012.2338C0.741%2013.4152%201.7007%2014.3749%202.88208%2014.3749C3.44979%2014.3749%203.99317%2014.1505%204.39598%2013.7477L7.18858%2010.9551C7.03448%2010.6523%206.93716%2010.3306%206.89391%2010.0008L3.7715%2013.1232C3.5363%2013.3584%203.2146%2013.4909%202.88208%2013.4909C2.18731%2013.4909%201.6223%2012.9286%201.6223%2012.2311C1.6223%2011.8986%201.75477%2011.5769%201.98996%2011.3417L5.8531%207.48123L5.22862%206.85675L1.36819%2010.7199ZM13.701%204.85895C13.701%206.07006%2013.0766%207.13249%2012.1331%207.74616L12.7684%208.38146C13.8686%207.59748%2014.585%206.31066%2014.585%204.85895C14.585%204.18851%2014.4309%203.55321%2014.1606%202.9855C14.0417%202.73679%2013.7145%202.70164%2013.5199%202.89629L11.6843%204.73189C11.6032%204.81299%2011.4924%204.85895%2011.3788%204.85895H10.6895C10.4516%204.85895%2010.2569%204.6643%2010.2569%204.4264V3.73974C10.2569%203.6262%2010.3029%203.51536%2010.384%203.43426L12.2196%201.59866C12.4142%201.40402%2012.3791%201.07691%2012.1304%200.95796C11.5627%200.687621%2010.9274%200.533528%2010.2569%200.533528C8.74573%200.533528%207.41566%201.3067%206.64249%202.48267L7.34537%203.02335C7.95363%202.05553%209.03229%201.41483%2010.2569%201.41483C10.5354%201.41483%2010.803%201.44727%2011.0598%201.50945L9.7595%202.80978C9.51349%203.05579%209.37561%203.39101%209.37561%203.73974V4.4264C9.37561%205.15362%209.96495%205.74025%2010.6895%205.74025H11.3761C11.7249%205.74025%2012.0601%205.60238%2012.3061%205.35637L13.6064%204.05604C13.6686%204.31286%2013.701%204.5832%2013.701%204.85895Z'%20fill='%23191919'/%3e%3c/g%3e%3cdefs%3e%3cclipPath%20id='clip0_2363_66067'%3e%3crect%20width='13.8413'%20height='13.8413'%20fill='white'%20transform='translate(0.740234%200.533203)'/%3e%3c/clipPath%3e%3c/defs%3e%3c/svg%3e){kind=small}
free tools
bestseller
exclusive
Rimac Nevera
Fully-functional, limited-edition replica of Nevera hypercar
CircuitMess Power Bank
Power your STEM projects & devices on the go
exclusive
Ultimate STEM Bundle
Go from beginner to STEM expert with every CircuitMess kit out there
x22free toolsnew
Robotic Starter Bundle
Build a race car and a robot bug, plus a fun fractions & decimals course
x3
Bit Expansion - Mr. Bee
Unlock a unique Bit game & collect 14 tradable cards
new
bestseller
bestseller
Electric Screwdriver
Build STEM projects faster with this precision tool.
new
new
ByteBoi 2.0
Assemble a retro DIY console, play pre-loaded games, and code your own
new
Skitter
Build a walking robot bug, learn how robots move, and steer it anywhere
new
Fractions & Decimals Curriculum
Master math through motion: no parent instruction required
bestseller
Clockstar 2.0
Build & code your own smartwatch and connect it to your phone
Lab Coat
Unleash your inner scientist with this STEM lab coat.
bestseller
new
MAKER Inventor's Pack
Build a 4G phone and a smartwatch, then unlock all 15 modules and a fold-out keyboard
x5bestseller
Jay-D 2.0
Make your own DJ mixer and learn about digital sound production
Codee 2.0
Build, code & care for your virtual pet, plus get 6 unique games
bestseller
Bit 2.0
Learn electronics and programming with this must-have DIY retro console
Bit Expansion - Artemis
Unlock a unique Bit game & collect 14 tradable cards
Bit Expansion - Resistron
Unlock a unique Bit game & collect 14 tradable cards
new
MAKERphone 2.0
Build a real 4G phone, make calls, and code your own apps and games
new
QWERTY Module
Fold out real keys and type with your thumbs on your MAKERphone 2.0
new
Pro Module Pack
Includes LoRa, Gyroscope and 7 more modules for MAKERphone 2.0
new
Expansion Module Pack
Includes 6 snap-on modules for your MAKERphone 2.0
exclusive
Beep Boop Miao Miao
Stealthy Beep Boop - your digital pet for tricky mini-games
Wheelson 2.0
Build and code a self-driving, AI-powered robot car
bestseller
Bit Expansion - Capacitron
Unlock a unique Bit game & collect 14 tradable cards
Bit Expansion - Bob
Unlock a unique Bit game & collect 14 tradable cards
Synthia 2.0
Build & code an all-in-one sampler, drum machine, sequencer & synth
exclusive
Beep Boop Kirin
Inventor Beep Boop - your digital pet for techy mini-games
exclusive
Beep Boop Mochi
Artistic Beep Boop - your digital pet for creative mini-games
Bit Expansion - Buttons
Unlock a unique Bit game & collect 14 tradable cards
Bit Expansion - Hertz
Unlock a unique Bit game & collect 14 tradable cards
exclusive
Beep Boop Tochi
Adventurous Beep Boop - your digital pet for exciting mini-games
Complete Workshop Bundle
Build safely & efficiently: tools, mat & eye protection.
new
MAKERband
Build your own smartwatch, pair it with MAKERphone 2.0 or your smartphone
Bit Expansion - Marv
Unlock a unique Bit game & collect 14 tradable cards
Bit Expansion - Robby
Unlock a unique Bit game & collect 14 tradable cards
Silicone Work Mat
Upgrade your workspace with our heat-resistant mat (9.33'×7.79')
Protective Goggles
Get that scientist look & stay safe while working with electronics
Tools Pack
Be ready for any creative project with lead-free solder and more
Over 300,000 kits sold. Recommended by STEM educators.
Join a thriving community of makers who are developing real-world skills, exploring new technologies, and building amazing projects with CircuitMess. Read what they have to say about their experience:
“Incredible products and an amazing learning experience”
"I’ve purchased several products from CircuitMess, and they’ve all been exceptional. The instructions are clear, and the experience is unmatched. I highly recommend ByteBoi and Wheelson—their interactivity is incredible, and it’s truly mind-blowing to see what you can build with your own two hands."
RC Bundle 2.0
Learn More
“Incredible products and an amazing learning experience”
"I’ve purchased several products from CircuitMess, and they’ve all been exceptional. The instructions are clear, and the experience is unmatched. I highly recommend ByteBoi and Wheelson—their interactivity is incredible, and it’s truly mind-blowing to see what you can build with your own two hands."