rubber band racer kit

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rubber band racer kits | item number: KRBR985DF

The Trail Blazer ™

Online Price: $34.95

Availability: This item is currently in stock

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The Trail Blazer is going to leave it's mark as it rockets off the start line and skids to the perfect stop at the finish line with ultra sticky foam wheels. The Trail Blazer is the most advanced and the easiest to operate braking system available. The Trail Blazer has a wing-nut that travels along a threaded axle and then wedges itself against the frame causing the racer to come to an instant stop. The Trail Blazer comes ready-to-assemble with pre-cut and pre-drilled parts so you can be ready for action and racing on the same day. As with all our kits, The Trail Blazer comes with step-by-step instructions that are filled with tons of top secret performance tips and tricks that have been developed exclusively by Doc Fizzix so that you will have all the information you need to make The Trail Blazer a winner.

Why Doc Fizzix:

At Doc Fizzix, we have been designing, making, and building rubber band powered cars for more than 30 years. Unlike any other rubber band vehicle kit you will find on the market today, each of our kits has been designed and tested over and over again to insure your success. We use only the best quality parts and components in our kits. We have been featured multiple times in books, magazines, and national aired programs. We wrote the very first book devoted exclusively to the building of mousetrap vehicle selling more than 200,000 copied world wide. Our kits are used in more schools across the country than any other brand. Mousetrap powered cars and rubber band vehicles are our specialty.


  • Pulley launch system
  • Top secret braking system
  • Ultra Sticky Foam Wheels
  • Light-weight balsa wood
  • Brass tubing axles
  • Pre-cut and pre-drilled
  • Doc Fizzix's easy-wind, snag-free propulsion system
The Trail Blazer can be assembled in less than 45 minutes for most first time builders and when finished can be set to travel and stop between 1-25 meters. (the locking system will work between 1-10 meters).

Braking System:

The Trail Blazer's braking system uses a special wing-nut that travels along a threaded axle until it lock tight against the frame of the vehicle causing The Trail Blazer to come to an instant stop. Setting the braking system is simple and easy: just place The Trail Blazer at the finish line with the wing nut in the lock position, roll the vehicle back to the start line, and now you are ready for racing. Rolling The Trail Blazer from the finish line to the start line sets the wing-nut in the exact position needed. The Trail Blazer also comes with Ultra Sticky Foam Wheels designed to increase the stopping traction helping the racer to come to an instant stop without skidding.

Sticky Foam Wheels:

Ultra sticky foam wheels are made from a lightweight urethane that is specially designed to grab the road and provide maximum traction for maximum acceleration. While the rest of the field is spinning their wheels at the start line, your racer will be flying across the finish in world record time. These wheels are manufactured specifically for Doc Fizzix Products and are the same wheels that were used on Doc Fizzix's world record setting mousetrap racer that traveled 5 meters in under 1 second. By far, the biggest secret to Doc Fizzix world record setting speed-trap racer was the use of the ultra sticky foam wheels that were essential in keeping his Speed-Trap Racer from spinning out at the start line and providing maximum traction to the road. Ultra sticky foam wheels are 2-inches in diameter and machined to fit a 5/32-inch axle.

As with all our top rubber band racer kits, The Trail Blazer includes our "easy-to-wind" and "snag-free " string release system that will not tangle or snag for increased performance, a technique developed exclusively by Doc Fizzix.

Travel distance:

  • 1-45 meters (1 - 148 feet)* Adjustible stoping distance

Kit includes the following:

  • Pulley launch system
  • Kevlar high-tech string
  • Pre-cut and pre-drilled balsa wood frame
  • Ultra Sticky Foam Wheels
  • Axle Spacer
  • Brass tubing axles
  • Thrust washers
  • Top secret braking system
  • Doc Fizzix's easy-wind, snag-free propulsion system
  • Step-by-step plans with performance tips and tricks

Tools required:

  • Needle-nose-pliers
  • Super glue
Size : length = 21 inches, width = 6 inches

Weight : 6.9 oz.

mouse trap car mouse trap car mouse trap car *Kits require assembly, actual results will vary, glue and tools not included.

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Phone Hours: Mon. - Fri. 10:00 a.m. - 5:00 p.m. (CST) - 866-362-3499 (US only) or 512-218-0454
Doc Fizzix Products, P.O. Box 5507, Round Rock TX 78683, U.S.A.