WANTED: ASSORTMENT OF TOY CARS & TRUCKS

I am an art therapist working with children with emotional problems. Driving cars and trucks through paint on large pieces of paper is a delightful and therapeutic activity for them. I'm especially interested in 1) vehicles that make different and interesting tire tracks and 2) a wide assortment of vehicles - fire trucks, ambulance, race car, dump truck, etc. I can contribute a small amount of money (from our small budget). Thank you for considering contributing.