MudWatt engages kids in STEM in a whole new way, using the power of mud! It harnesses the power of electricity-generating bacteria naturally living in the soil beneath our feet! Kids experiment with different types of soil (and food from the fridge) to maximize their power output. The MudWatt Explorer App lets kids measure their power, track their MudWatt’s bacteria growth, and unlock an awesome educational comic book!
- This Award-winning STEM kit lets you build a living fuel cell that feeds on mud (a “bio-energy pet”).
- FREE standards-aligned curricula, videos, and lesson plans.
- Experiment by adding stuff from your fridge (like Gatorade) to maximize your MudWatt’s power.
- Track the growth of your bacteria population and power and unlock chapters of “The Electric Microbe” comic book with the free MudWatt Explorer App.
- Classroom Pack includes: 20 power-harvesting graphite disks, 10 LED blinker boards, 3 digital clocks, 3 multimeters, 3 resistor sets, 10 graduated containers, 10 nitrile gloves, 10 20-page educational instructions, and the MudWatt Explorer App!
approx. $299.99
Weeks of STEM Fun!
Unlike the “potato clock” or “lemon battery”, MudWatt offers long-term STEM engagement. Kids maximize their MudWatt’s power by experimenting with different soils, different foods from the fridge (like Gatorade), and different temperatures. Experiments are as endless as kids’ creative minds! Kids learn about renewable energy, sustainability, microbiology, electricity, and more, as they dig deep into the science behind the MudWatt.
Bridging the Physical and Digital
As the MudWatt’s bacteria population grows, the MudWatt’s LED blinks faster and faster! The free MudWatt Explorer App lets kids measure their blinks to discover their MudWatt’s power output and microbial population. With the App, kids track their MudWatt’s growth, and unlock a fun and educational comic! (Available for smartphones and tablets with iOS, Android and Kindle)



DIG
Any dirt will do! Your soil already has electricity-generating bacteria living in it! Try out composts, topsoils, and sediments to see which is most powerful.
BUILD
Kids construct the MudWatt and learn a ton along the way with our 20-page illustrated guide. Moreover, kids blend creativity with science by designing their own experiments to maximize their power and bacteria colony.
ANALYZE
The MudWatt Explorer App lets kids measure their power, track their MudWatt’s growth, and unlock chapters of a fun “Electric Microbe” comic book!

Award-Winning and Critically Acclaimed
The MudWatt is loved by kids young and old, from elementary school level all the way up to college level. This unique STEM kit has gotten rave reviews from kids, homeschoolers, teachers, and tinkerers alike!
MudWatt uniquely incorporates many STEM disciplines (including engineering, sustainability, energy, microbiology, and chemistry) into fun and memorable experimentation!
It bridges the gap between physical and digital, offering not only tangible play (the hardware), but also digital content (the App) that enhances learning.
And it opens kids’ minds to the unseen surprising world of microbes that live in the soil beneath their feet.





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