Products listed come with manufacturers warnings as applicable, but we have reprinted these here for your information.  Further cautions may be found on the complete manufacturers' instructions.

Kettler by Rolly

Warning: Choking Hazard - Small parts, Danger of being swallowed. Contains small parts in non assembled state. Must be assembled by adults. Adult supervision required. Never use near steps, slopes, driveways, hills, roadways, alleys or swimming pool areas. Always wear shoes. Never allow more than one rider. The use of protective gear and a safety helmet is highly recommended. Adult assembly required.

Kettler

This product should, at all times, be used by the child under supervision of an adult and should not be used on or near roads, steps, stairways, hills, pool areas. Children must wear shoes. Keep these instructions safely!

Radio Flyer

Caution: The package contains small parts which, before assembly, present a potential choking hazard to children under the age of three. Care should be taken during unpacking and assembly to ensure that all small parts are accounted for and kept out of the reach of children.

Scale Model Toys (brand)

Warning: Choking Hazard. Small parts. Not for children under 3 years.

Brands not listed

Products which are sold unassembled must be assembled by an adult. Small parts must be kept from children. Items which are intended to be used as small parts, such as marbles, are not intended for use by children under 3 years of age.