Great idea, so unique! the colors and the fact these are tires adds so many dimensions for a kids area!
Outdoor areas, boats! Role play. Mayer on wheels and a robe they should hale Them selves in to shore?
Magic wands ~ early years training ~ outdoor play. Isle of Wight
The stage EYFS outdoor area
Group Art Activity, "Tennis Ball Painting" (from Art & Creativity in Early Childhood Education)
Tyres used as boundary line and small world.