Great for checking levels of 3.7V Lithium cells. This is essentially a visual/graphical voltmeter, and allows you to keep tabs on energy usage, and to keep an accurate schedule for when to replace your lithium batteries.
This science kit is an essential introduction to physics knowledge!
Build your own windmill generator kit by recycling a plastic bottle!
This project book and sample kit introduces you to shape-memory alloy technology!
Check out this amazing renewable energy science kit featuring the wonders of hydroelectric power!
This classic desk toy will keep you amused!
This magic bird defies gravity before your very eyes!
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