Cobalt in plastic building blocks and baby bibs. Ethylene glycol in dolls. Methyl ethyl ketone in clothing. Antimony in high chairs and booster seats. Parabens in baby wipes. D4 in baby creams. An Environmental Health News analysis of thousands of reports from America’s largest companies shows that toys and other children’s products contain low levels of dozens of industrial chemicals, including some unexpected ingredients that will surprise a public concerned about exposure.