# The Toys (Safety) Regulations 2011, Paragraph 1


Toys must not constitute a dangerous flammable element in the child's environment. They must therefore be composed of materials which fulfil one or more of the following conditions:
(a) they do not burn if directly exposed to a flame or spark or other potential source of fire;
(b) they are not readily flammable (the flame goes out as soon as the fire cause disappears);
(c) if they do ignite, they burn slowly and present a low rate of spread of the flame;
(d) irrespective of the toy's chemical composition, they are designed so as to mechanically delay the combustion process.
Such combustible materials must not constitute a risk of ignition for other materials used in the toy.

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Source: https://www.legislation.gov.uk/uksi/2011/1881/schedule/2/part/2/paragraph/1 (the official version)
Page: https://openlegislation.uk/toys-safety-regulations-2011/schedule-2/part-2/paragraph-1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.