
RUBBER BAND POWERED RACER KITS





The Trail Blazer: Rubber Band Racer Kit
Item number: KMTV385DF
Availability: ready to ship
Online Sale Price: $34.95

Safe and Secure
Rest assured, our checkout system is powered by Shopify. The easiest and most secure online checkout system available.
Same Day Shipping
All orders received before 12:00 p.m. CST are processed and ship on the same day for all in stock items.
Free Shipping
All orders over $100.00 USD ship domestic ground for free. Expedited shipping options also available at checkout.
Ultra Fast Delivery
All domestic shipping options available at checkout including UPS Next Day so you will have your order when you need it.
Talk to a Real Person
You will always get a real person when you call or email Doc Fizzix who knows our products and is excited to help you.
Product Description
The Trail Blazer comes with our the most advanced and easiest to operate braking system available for a rubber band powered vehicle. The Trail Blazer uses our unique wing-nut locking bar braking system that can be set to stop at any distance from 0-9 meters. As the front wheels rotate a wing-nut travels along a threaded axle held from spinning by a locking bar until the wing-nut wedges tight against the frame of the vehicle causing the vehicle to come to an instant stop. Setting the braking system is as simple as placing your racer at the finish line where you want your vehicle to stop with the wing-nut in the locked position. Then the car is rolled back to the start line setting the wing-nut to the exact stopping position. The Trail Blazer comes ready-to-assemble with pre-cut and pre-drilled parts so you will be ready for action on the same day. As with all our kits, The Trail Blazer comes with our complete step-by-step instruction guide that is written the for the visual learner filled with tons of top secret performance tips and tricks that have been developed exclusively by Doc Fizzix, with over 30 years of experience, so you will have all the information you need to make The Trail Blazer a winner.
As wtih all our top rubber band racers, The Trail Blazer uses our all new revolutionary pulley launch system that is designed to maximized the potential energy of a stretched rubber band into kinetic energy with almost zero loss of energy. The secret to the pulley launch system is that it is designed to stretch the rubber band longitudinally instead of twist winding as is common with most other rubber band vehicles; our launch system will double the power output and double the torque of the system causing The Trail Blazer to "rocket" off the start line giving it an almost unfair advantage over the rest of the competition.
The biggest challenge with all high-speed and stopping contest is wheel traction. If wheels do not have enough traction your racer can spin its wheels and/or skid past it stopping point at the finish. The Trail Blazer comes with our ultra sticky, low inertia foam wheels that are made from a very sticky lightweight urethane designed to grab any floor surface and bring you vehicle to an instant stop without skidding. With our ultra-sticky foam wheels your vehicle will come to the perfect stop each time you test your car so you can dial in your vehicles performance to perfection. While the rest of the field is skidding past the stopping point, The Trail Blazer will be coming to the perfect stop right on the mark.
Travel Distance:
0-9 meters (0 - 29.5 feet)* Adjustable stopping distance
Top Highlights:
- Top secret, high-tech rubber band car braking system that can be set for any distance up to 9 meteres.
- Comes with our 2" inch ultra-sticky foam wheels for the ultimate that will not spin out at the start for rocket accelerations.
- Features our revolutionary pulley launch system designed to maximize the transfer of energy from a stretched rubber band into linear motion.
- Designed and engineered for your success. Comes ready-to-assemble with pre-cut and pre-drilled lightweight balsa wood frame.
- Comes with Doc Fizzix's flexible rubber CD/DVD wheel spacers that are designed to act as tiny shock absorbers to damper small bumps and imperfections on the floor's surface providing for a smoother ride with an increase in both the speed and the travel distance of your vehicle project.
- Includes Doc Fizzix’s Ultra thin, low-inertia wheels that are half the thickness of a normal CD/DVD and have only half the rotational inertia. Less rotational inertia means your vehicle will travel further and faster when compared to a normal CD wheel.
- This rubber band car kit comes with lightweight, 3/16" inch diameter brass tubing axles that spin freely with less friction for an increase in both speed and distance. Brass tubing axles do not warp like wooden dowels and provide for a much smoother ride without wobble.
- Features Doc Fizzix's "easy-wind", "snag-free" propulsion system designed specifically for rubber band powered racers.
- Comes with our complete step-by-step instruction guide that is written the for the visual learner filled with tons of top secret performance tips and tricks.
- Finished vehicle measures approximately 5 x 6 x 21.5 inches (H x W x L)
- All our products are 100% made in the U.S.A by Doc Fizzix in Spicewood, TX.
Assembly Time:
The Trail Blazer can be assembled in less than 60 minutes for most first time builders and when finished it will travel from 0-9 meters (0 - 29.5 feet).
Skill Level:
Required Skills
- Some knowledge of how a rubber band racer works.
- Able to measure with a ruler in both inches and/or centimeters.
- Experience working with wood glue and/or Cyanoacrylate glues (Super Glues).
- Able to glue two pieces of balsa wood together.
- Able to tie a loop knot in string.
- Able to use needle nose pliers to cut wire.
- Can problem solve during construction and make adjustments.
- Can determine how to make adjustments to improve performance.
Recommended Skills
- Able to sand parts to make them smooth.
Tools Required:
- Needle-nose-pliers
- Wood or Super glue
*Kits require assembly, actual results will vary and depends on the constructions skills of the builder, glue and tools not included.
Parts List
Includes the following:
- 1x - #65 Rubber Bands
- 1x - Top secret high-tech braking system
- 1x - Pulley Launch System
- 1x - Top secret high-tech braking system
- 2x - Pre-cut and pre-drilled balsa wood frame
- 1x - Pre-cut balsa wood deck top
- 4x - Ultra Sticky Foam Wheels
- 2x - Tire treads (balloon)
- 2x - 6" inch Brass tubing axles
- 4x - CD/DVD flexible rubber wheel adapters
- 4x - Thrust washers
- 1x - 18 inches Kevlar high-tech string
- Doc Fizzix's easy-wind, snag-free propulsion system
- Step-by-step plans with performance tips and tricks
Special Features
Pulley Launch System
This is most advanced and efficient rubber band propulsion system ever designed for propelling a rubber band powered vehicle. The secret behind Doc Fizzix's top secret propulsion system is the advanced pulley system that allows a rubber band to be stretched to it's maximum capacity for maximum potential energy. The trouble with almost all other rubber band propulsion systems is that the rubber band is twisted or wound in order to store energy, the Doc Fizzix's rubber band propulsion system stretches the rubber band and this provides a more uniform transfer of potential energy and also maximizes the total amount of energy available generating rocket acclerations off the start line.

Breaking System
The Trail Blazer comes with our the most advanced and easiest to operate braking system available for a rubbr band powered vehicle. The Trail Blazer uses our unique wing-nut locking bar braking system that can be set to stop at any distance from 0-9 meters. As the front wheels rotate a wing-nut travels along a threaded axle held from spinning by a locking bar until the wing-nut wedges tight against the frame of the vehicle causing the vehicle to come to an instant stop. Setting the braking system is as simple as placing your racer at the finish line where you want your vehicle to stop with the wing-nut in the locked position. Then the car is rolled back to the start line setting the wing-nut to the exact stopping position.

Ultra-Sticky Foam Wheels
The biggest challenge with all high-speed and stopping contest is wheel traction. If wheels do not have enough traction your racer can spin its wheels and/or skid past it stopping point at the finish. The Trail Blazer comes with our ultra sticky, low inertia foam wheels that are made from a very sticky lightweight urethane designed to grab any floor surface and bring you vehicle to an instant stop without skidding. With our ultra-sticky foam wheels your vehicle will come to the perfect stop each time you test your car so you can dial in your vehicles performance to perfection. While the rest of the field is skidding past the stopping point, The Trail Blazer will be coming to the perfect stop.
With all quick accelerating vehicles the gearing needs to be setup to release as much energy as possible in the shortest amount of time possible. Our Ultra Sticky foam wheels are the perfect wheels for maximizing the transfer of potential energy into energy of motion. The ultra-sticky urethane keeps the vehicles drive wheels from spinning under high torque at the start so your vehicle can get to top speed sooner than all the rest with no wasted energy.

Easy-wind, snag-free propulsion system
As with all our top rubbr band racer kits, The Trail Blazer includes our "easy-wind" and "snag-free" string release system that will not tangle and/or snag on release for increased performance, a technique developed exclusively by Doc Fizzix for mousetrap and rubber band powered racers. Our snag-free propulsion system is designed to release from the drive axle once the pulling force is complete in order to maximize the coasting distance.

Low inertia axle system
One of the design secrets that make The Trail Blazer a guaranteed winner is it's low inertia axle system. Our lightweight, 3/16" inch brass tubing axles spin with less friction than wooden dowels for an increase in both the speed and the travel distance of your vehicle. Lightweight brass-tubing axles will not warp like wooded dowels and have a lot less mass than steel axles used in many of our competitors kits so your rubber band vehicles will travel smoother, with less wobble, and less wasted energy for an increase in both speed and travel distance.

Easy to Follow, Step-by-Step Instructions
As with all our rubber band vehicle kits, The Trail Blazer comes with our complete step-by-step instruction guide that is written the for the visual learner filled with tons of top secret performance tips and tricks that have been developed, tested, and perfected exclusively by Doc Fizzix, with over 30 years of experience, so you will have all the information you need to make your rubber band vehicle project a success. Our easy to follow, step-by-step instructions are filled images and diagrams designed to eliminate the guess work. You will feel confident and feel like a professional builder as you follow our detailed step-by-step instructions.
Reversible
A common rubber band vehicle challenge is to build a car that travels forward and then comes back to the start. The reversibility of a rubber band racer is just how you wind the string around the drive axle. Because of the unique design of our snag-free propulsion system, this kit can be used for all reversing rubber band car challenges.
Shipping Information
Same Day Shipping!
All orders received before 12:00 p.m. CST are processed and ship on the same day as long as the item(s) are in stock; orders received after 12:00 p.m. CST will be processed and shipped on the following business day as long as the item(s) are in stock. Online orders take priority over phone and mail orders and therefor ship with a priority level of Burning-Red-Hot. Because of the extreme popularity of Doc Fizzix Products, items can go out of stock without warning. If an item goes out of stock, it will ship as soon as the item is back in stock with a priority level of Super-Duper-Burning-Red-Hot.
** OUR SERVICE PROMISE TO YOU **
** All in-stock orders placed before 12:00 p.m. CST ship same day **
** Shipments are Monday through Friday **
Why buy Doc Fizzix
We are so glad you found us!
At Doc Fizzix Products, We have been designing and building the best rubber band powered cars for more than 30 years. Doc Fizzix set both the speed and distance world records for a vehicle powered by a standard sized mousetrap. Unlike other rubber band vehicle kit you may find on the market today, each of our kits has been designed through the engineering process from start to finish in order to guarantee your success. We use only the best quality parts and components in our products. Each component used in our kits and/or products is selected based on solid physics principles and proven performance results. All our kits and products are 100% made in the United States of America, we do not out source any of our components. When you buy from Doc Fizzix Products you are supporting an all U.S.A. family owned business. We have been featured multiple times in books, magazines, and on national aired television programs. Publications include The Science Teacher, Boys Life, Physics Today, National Hobby Distributer, and more. Our kits and products have been carried by more than a thousand hobby and craft stores across the country including Hobbytown USA and Hobby Lobby chain of store. Our kits are used in more schools across the country than any other brand. Be assured that when you buy a Doc Fizzix rubber band racer you are getting the best rubber band vehicle kit available on the market anywhere. Rubber Band powered cars and vehicles is our specialty.
YOU MAY ALSO LIKE
We are Doc Fizzix...and we build record setting mousetrap powered cars!

