Free Shipping On All Orders!

The Battery Magic Mug - The Caveman's Guide


The perfect coffee mug for that "not a morning person" guy in your life. This creative mug fills the battery bar displayed on the front by adding hot liquid. These heat activated mugs are a fun way to start your day or make a great gift.

Shipping & Returns

The Caveman's Guide searches the globe to bring you the coolest stuff for your mancave right to your doorstep. This means products we sell can ship from the US, UK, Germany, Canada, China & more which results in slower than average shipping times. Depending on your location shipping times can vary but you can expect your package between 1-3 weeks.

For shipping and return inquiries please email: