Patent ID: 9586159
Date: 2017-03-07
CPC Classifications: A63H,A63K

Claim:
1. A portable race course, comprising: a base and a race surface, wherein said base is at least partially inflatable from a collapsed position to an inflated position; wherein said race surface is inclined relative to horizontal; wherein said race surface comprises at least one lane configured to receive a vehicle comprising wheels; a plurality of guiding members, said guiding members comprise protrusions extending upwardly from said race surface and arranged along the periphery of at least a majority of the length of the lane; wherein said race course is configured such that at least gravity causes said vehicle to accelerate down said race surface; at least two soap box derby type of cars sized to fit a person; a launch mechanism configured to assist said at least two soap box derby type of cars to start a race substantially simultaneously; and a pulling device that mechanically engages with the soap box derby type of car and pulls the car up the inclined race surface.