Stroller with attachable seat assembly

Tractive baggage handcart

Transformable infant transporter

Transformable riding toy

Transporter

Traveling picnic table

Trolley with a foldable seat assembly

Trolley with a retractable wheel assembly

Trolley with fold-out legs

Trolley with retractable wheels

Two-way caster bench

Two-wheel-drive bicycle

Unitary infant care apparatus

Universal infant carrier cart

Vehicle bench seat retractable wheel carriage

Vehicle enclosure

Walker chair

Water caddy

Wheel assembly for combination folding lawn chair and cart

Wheelbarrow-trailer implement