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Last reviewed: September 2026 · Copy link
CPC certificates for building blocks and construction toys
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What block testing covers
- Each plastic color and material for lead and phthalates (plasticized parts).
- Small parts evaluation for under-3 sets, including after drop and abuse testing.
- Mechanical provisions: pieces must survive use-and-abuse without creating sharp edges or break-away small parts.
The variant strategy that saves money
Blocks sharing one plastic recipe in different colors may still need per-color testing, because pigments differ. The cost saver is designing the product line around a small set of tested materials and colors from the start, then certifying the family together with a certificate that lists the covered variants.
Questions people ask
Are blocks compatible with major brands a legal issue?
Compatibility claims are intellectual-property questions, not CPSC questions. Compliance follows your own materials and testing either way.
Do wooden blocks cite the toy standard?
Yes: wooden construction toys cite the toy standard plus lead and coating rules for their materials, like any other toy.
What about blocks with electronic sound modules?
The module brings battery-compartment and electrical provisions: cite those rules and keep the module’s testing with the set’s certificate.
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