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Probably the only time you should let a child play with Plutonium and Arsenic. Each colorful block features six element images accompanied by their atomic number, symbol, and name. Size: 20 - 1.75 inch cubes Made using sustainable Midwestern basswood. Printed with non-toxic, mouth safe inks. Ages 2+.
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🇺🇸 Ship from USA · On Agora since 2025
$49.95