The Combined Nomenclature (CN), v1:2025
9023 00 80: Instruments, apparatus and models designed for demonstrational purposes, e.g. in education or exhibitions, unsuitable for other uses (excl.
https://www.dst.dk/en/Statistik/dokumentation/nomenklaturer/kn?id=3297a864-18b0-4927-8f75-9f2fa29c9c69