StoneTell

Your kid keeps pocketing rocks. StoneTell turns every one into a case to crack, a story to hear and a numbered specimen card for their own Field Guide. Snap a rock and StoneTell names its suspects — and says honestly how sure it is. Close call? A kid-safe test with a magnet, a streak or a drop of vinegar cracks the case. Then the rock tells its own story, and the find is stamped into your Field Guide. Made for curious 8–12-year-olds, and for the grown-ups who end up holding the rocks. HOW A WALK BECOMES A COLLECTION • Snap it. Point the camera at any rock, or pick one of Chip's sample rocks. Chip, a small fluorite crystal, coaches the shot. • Meet the suspects. StoneTell says "most likely", "probably" or "not sure yet". It never fakes a 100%. • Run the test. When two suspects are close, Rock Detective walks you through a quick experiment: a fridge magnet, a streak on a tile, a…