This European Standard specifies requirements and test methods for the substances and materials used in chemical toys (sets) other than experimental sets. These substances and mixtures are: those classified as dangerous by the EC-legislation applying to dangerous substances and dangerous mixtures [5]; substances and mixtures which in excessive amounts could harm the health of the children using them and which are not classified as dangerous by the above mentioned legislation; and any other chemical substance(s) and mixture(s) delivered with the chemical toy. NOTE The terms substance and mixture are defined in the REACH regulation No. (EC)1907/2006 and in the CLP regulation (EC) No. 1272/2008. Additionally, requirements are specified for markings, warnings, safety rules, contents list, instructions for use and first aid information. This Part of EN 71 applies to: plaster of Paris (gypsum) moulding sets; oven-hardening plasticised PVC modelling clay sets; plastic moulding sets; embedding sets; adhesives, paints, lacquers, varnishes, thinners and cleaning agents (solvents), supplied or recommended in model sets.