BERG Toys Junior Trailer Junior MULTIFUNCTIONAL TRAILER - The Junior Trailer is perfect for hauling toys, game boards or props for their cool adventure. Trailer dimensions: 30 L x 23 W x 15 H inches / Weight: 11 pounds. PNEUMATIC WHEELS AND SEALED BEARINGS  This durable go kart accessory comes with sealed bearings and pneumatic tires which have a solid rubber surface but the inside is inflated with air. Towbar sold separately. COMPATIBLE WITH BERG PEDAL KARTS - This item is compatible with all Berg Buddy pedal karts except for the Berg Ferrari F150 Italia. WARRANTY - Get a 2-year out of box manufacturers warranty with every purchase.