Marbles from Dollar Tree Store test positive for Lead, Arsenic, Antimony and Cadmium (using XRF technology)
Green shooter marble (Marble King brand, previously sold & marketed as Lead-free): 1,375 ppm Lead (+ Cadmium too).
Things we’ve accomplished together (me + you, my readers) & why I still need your support. #SmallVictories #BigVictories
Avi’s 8th Grade Science Class Experiment: “How does the elemental composition of glass marbles affect their color?”
