Some vintage Legos® test positive for high level of a known carcinogen. Can I tell if my Legos® are safe?
▻ Hoher Cadmiumgehalt in LEGO Steinen aus den 70er & 80er Jahren - HOTH BRICKS
AskTamara: Are new Legos® nontoxic? Lead-Safe? Lead-Free? What about vintage Legos®?
PDF) Lead, Nickel and Cadmium in the coating of children's toys effects and influencing factors Lead, Nickel and Cadmium in the coating of children's toys effects and influencing factors
Blue vintage (1990s?) Duplo building block - by Lego: Lead-free, Cadmium-free, Arsenic-free, Mercury-free!
Vintage (1978-1988) yellow Lego® guy w red hat: 5,096 ppm Cadmium [≥40 is unsafe] & 26 ppm Arsenic