Vintage plastic Tupperware blocks toy: non-detect for Lead, Cadmium, Arsenic, Mercury (likely has BPA given the age.)
Note: I do not know if these test results apply to all years of manufacture of this toy. The toy is not marked with the years of manufacture and there is no clue (from the markings) as to the year of manufacture. HOWEVER: the colors are distinctly different than the colors of vintage Tupperware plastic I have…