What about growing your own living fuel cell? With MudWatt, the award-winning bio-energy pet, you can build your very own fuel cell that runs on muddy microbes. Let your kids experiment with different types of soil to maximize their power output. Through the MudWatt Explorer App, kids can track their MudWatt’s bacteria growth, and unlock an awesome educational comic book. Microbiology, Energy, Chemistry, Physics, and Environmental Engineering, all in one experience!