Meet Dually Scooter: a dog sled scooter that lets you explore the outdoors and keep your pets active. It is designed to provide you with more stability with its 10.5 inch diameter, 3.5 inch wide dual pneumatic tires. The Dually lets you make turns easier. It works over dirt, grass, brush, cement and asphalt. The Dually can handle up to 500-lb. Costs under $460.