Corn. Chocolate. Fishing hooks. Boats that float. Insulated double-walled construction. Recorded history and folklore. Lifesaving disinfectant. Forest-fire management. Our lives would be unrecognizable without these and countless other scientific discoveries and technological inventions from Indigenous North Americans. Here is a wide-ranging STEM offering that answers the call for Indigenous nonfiction by reappropriating hidden history. The book includes fun, simple activities and experiments that kids can do to better understand and enjoy the principles used by Indigenous inventors. Readers of all ages are invited to embrace the mindset of reciprocity, environmental responsibility, and the interconnectedness of all life.