Ski-doo XP, XS, XM, XR Products. Offer applies to selected items for delivery by regular standard shipping only and excludes delivery to some remote locations. Rev up for Mario Kart™ racing the Hot Wheels ® way! Riders will love Rev Grip, which makes this bike look and sound like a real motorbike. My 8 year old loves motorcycle sounds for his bike, so we thought this would be ideal. Race to the finish line with the 18" Hot Wheels Boys' Bike with a Hot Wheels Rev Grip. Please select a store before adding to Cart, This item is not in stock at #, please select another location. Your question might be answered by sellers, manufacturers, or customers who bought this product.