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Pre-cut pinewood derby car kits, blocks, bulk kits, and more.

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Speed wheels, speed axles, competition components, and more!

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Tungsten, lead, and steel weight for your pinewood derby car.

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Weight

Tungsten, Tundra, Lead, Steel, & Zinc


Tungsten Weight Tundra - Tungsten Composite Lead Weight
Steel Weight FlexWeight

Tungsten Weight

Due to its very high density Tungsten is an excellent weighting material for pinewood derby cars. Only gold, platinum, and a few other rare and expensive metals have a similar density. Tungsten is about 1.7 times denser than lead and 3.2 times denser than the zinc ("lead-free") weight often used on pinewood derby cars, thus it allows a tremendous amount of freedom in the car design. Also tungsten is completely non-toxic and environmentally friendly. Click Here for a weight comparison chart.

Click on a picture to view a larger picture, for more information, and to list the cars that require that weight.


Tungsten Cylinders
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5030
1/2 Ounce
Tungsten Cylindersc
4 ounces

In Stock
$17.95
Incremental Tungsten Cylinders
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5029
Incremental
Tungsten Cylinders
3 ounces

In Stock
$13.95
1/8 Ounce Tungsten Cylinders
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5025
1/8 Ounce
Tungsten Cylinders
1 ounce

In Stock
$4.95
1/4 Ounce Tungsten Cylinders
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5027
1/4 Ounce
Tungsten Cylinders
1 ounce

In Stock
$4.95
Tungsten COG Weights
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5028
Tungsten COG Weights
2 ounces

In Stock
$18.95
  From Randy:
"These COG weights thread into a 3/8 inch hole, allowing you to adjust the front-to-back or side-to-side location of the COG (center of gravity) of your car."
Tungsten Round
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5031
Solid
Tungsten Roundi
3.25 ounces

In Stock
$23.95
  From Randy:
"Solid Tungsten! Most tungsten products are molded from tungsten powder using high pressure and heat. This process, known as "Sintering", typically results in a density of about 18.1 g/cc. However, our tungsten round is sliced from a solid rod of tungsten. So the round is the full tungsten density of 19.2 g/cc!"
Adjustable Tungsten Round
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5035
Adjustable
Tungsten Round
3.17 to 3.49 ounces

In Stock
$17.95
  From Randy:
"Tungsten rounds allow the placement of the bulk of the ballast weight at the desired point. But if the round makes your car too heavy, your options are few. The adjustable round solves this issue by allowing nearly 1/2 ounce of weight flexibility. Leave the slot facing outward, then add one or two tungsten cubes, and tungsten putty as needed to adjust the weight. Just make sure to use epoxy to hold the cubes in place."
Tungsten Cubes
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5060
1/4" Tungsten
Cubesd
4 ounces

In Stock
$17.95
3/16 Tungsten Cubes
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5061
3/16" Tungsten
Cubesf
1 ounce

In Stock
$4.95
Tungsten Bars
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5055
New
1/4" Tungsten Bars
3.5 ounces

In Stock
$15.95
  From Randy:
"Each Tungten Bar is equivalent in weight and size to five of the 1/4 inch tungsten cubes. Tungsten Bars greatly simplify installing weight as fewer items need to be glued into the body. Tungsten putty, or smaller tungsten parts can be used for making weight adjustments. "
Small Tungsten Canopy
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5032
Small
Tungsten
Canopyg
2.5 ounces

In Stock
$14.95
Tungsten Canopy
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5033
Tungsten
Canopyh
3.5 ounces

In Stock
$19.95
  From Randy:
"Here is a slick way to weight your car and make it look sharp. These tungsten canopies have a touch of nickel for a nice chrome-like appearance. If needed, use a little metal polish to shine them up. A stud on the bottom of the canopy makes it easy to mount it on your car."
Triangular Canopy
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5034
Triangular
Tungsten
Canopyj
2.5 ounces

In Stock
$15.95
  From Randy:
"Here is something new! A triangular tungsten canopy. It is very low profile and looks really sharp. Use it like one of our elliptical canopies."
Tungsten Plates
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5062
Tungsten
Underbody Weights
3 ounces

In Stock
$17.95
Snap-off Tungsten Plates
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5065
Snap-off
Tungsten Plates
3 ounces

In Stock
$17.95
  From Randy:
"These Snap-off Tungsten Plates have score lines to allow you to adjust the size of the plate. Just save the removed segments for another car."
Tungsten Powder
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5064
Tungsten
Powder
3 ounces

In Stock
$8.45
Tungsten Putty
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5063
Tungsten
Putty
1 ounce

In Stock
$4.95
  From Randy:
"Making fine adjustments to the weight of your car is quite simple with Tungsten Putty. Simply press a small amount into a cavity or hole in the car. Since the putty doesn't harden, just remove some of the putty to reduce weight."
Tungsten Beads
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5040
3/16" Tungsten
Beadse
1 ounce

In Stock
$4.95
Tungsten Disks
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5050
Tungsten
Disks
1 ounce

In Stock
$3.25
Mini Tungsten Cylinders
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15045
Mini Tungsten Cylinders
1 Ounce

In Stock
$2.25

  From Randy:
"We made a special puchase of these miniature tungsten cylinders, and are offering them to you at very low price. This is the least expensive tungsten you will find on the market today. Looking for an even better price? Buy 5 pounds or more in bulk and pay only $2.00 per ounce. To order in bulk, give us a call at 623-587-9261. "

Tundra - Tungsten Composite Lead Replacement

Do you want the density of lead, but don't want to worry about the risks? Then try Tundra. Tundra is formulated with tungsten to provide the same density as lead, but at a lower cost than tungsten itself. It can be easily cut, drilled or sanded to shape.
Tundra
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5009
Tundra Rod
Tungsten Compositea
3 Ounces

In Stock
$12.95
Flat Tundra
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5008
Flat Tundra
Tungsten Compositeb
3 Ounces

In Stock
$12.95
  From Randy:
"Tundra is a non-toxic weight, formed from tungsten, that has the same density as lead. It can be easily cut or drilled. You can substitute Tundra Rod for Lead Wire and Flat Tundra for Segmented Lead."

Lead Weight

To achieve top speed, your pinewood derby car must weigh-in at the maximum allowable weight (generally 5 ounces). Lead weight is approximately 1.8 times denser than the zinc ("lead-free") weight sold by other vendors, thus it allows you greater freedom in designing your car. An added advantage is that lead is quite soft, thus it can be easily shaped to fit in the best location on the car. Click Here for a weight comparison chart.

Click on a picture to view a larger picture and to list the cars that require that weight.
Lead Wire
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5020
3/8 inch
Lead Wire
4 ounces

In Stock
$3.95
Contains Lead
5022
Bulk
3/8 inch
Lead Wire
5 lbs

In Stock
$59.00
Contains Lead
Segmented Lead
Click Here for More Information
5010
Segmented
Lead
4 ounces

In Stock
$3.95
Contains Lead
5012
Bulk
Segmented
Lead
5 lbs

In Stock
$59.00
Contains Lead
Caution - Products 5010, 5012, 5020, and 5022 contain Lead. Lead is sold for use by adults to add weight to pinewood derby cars. Click Here for safety information.


Steel Weight

Due to the greater density, we recommend that you use lead or tungsten weights for your pinewood derby car. However, if you want to avoid using lead, steel weight is a good compromise between density and cost.
Steel Weights
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5006
Steel Cylinder Weights
3 ounces

In Stock
$3.25
Steel Weights
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5007
Steel Weightsk
3 ounces

In Stock
$3.25

FlexWeight
Easy to Use and Economical

FlexWeight is a dense, flexible material with an aggressive adhesive strip (included). FlexWeight can be cut with scissors to the desired shape and then attached to a pinewood derby car (normally on the bottom). FlexWeight is 1/8 inch thick (slightly thinner than the zinc underbody weights sold at hobby shops). Each weight is 3 ounces (most zinc underbody weights are 2 ounces).
Pinewood Derby FlexWeight
Click Here for More Information
5005
FlexWeight
3 Ounces

In Stock
$2.95
Buy In Bulk and Save 15%
5004
Bulk
FlexWeight
Twelve, 3 Ounce Weights

In Stock
$29.95

Weight

We offer the type of weight that works best with the designs in our car plan booklets. Note that 'real' lead and tungsten are much denser than the weight sold by most other suppliers.

aTundra Rod is used to build the following pinewood derby cars:
  • The Coupe - Car Plans 6

  • The Dune Buggy - Car Plans 4

  • The Missle - Advanced Car Plans 2

  • The Muscle Car - Car Plans 6

  • The Speeder - Car Plans

  • The Sports Car (Standard Version) - Car Plans 4

  • The Wedge - Car Plans, Wedge Car Plans

  • The Wedge GT - Car Plans 2, Wedge Car Plans

  • The Wedge SE (Standard Version) - Wedge Car Plans

  • The Wedge Turbo (Standard Version) - Car Plans 3

bFlat Tundra is required to build the following pinewood derby cars:
  • The Arrow - Advanced Car Plans

  • The Dragster - Car Plans 2

  • The Interceptor - Advanced Car Plans

  • The Racer - Car Plans 2

cTungsten Cylinders are required to build the following pinewood derby cars:
  • The Bolt - Advanced Car Plans 2

  • The Detonator - Car Plans 5

  • The Rocket - Advanced Car Plans

  • The Sports Car (Extended Version) - Car Plans 4

  • The Wedge SE (Extended Version) - Wedge Car Plans

  • The Wedge Turbo (Extended Version)- Car Plans 3

d1/4 inch Tungsten Cubes are required to build the following pinewood derby cars:
  • The Accelerator - Car Plans 6

  • The Assimilator - Car Plans 7

  • The Formula One - Car Plans 3

  • The Stealth - Car Plans 5

  • The Wing - Car Plans 3

eTungsten Beads are required to build the following pinewood derby cars:
  • The Accelerator - Car Plans 6

  • The Bolt - Advanced Car Plans 2

  • The Detonator - Car Plans 5

  • The Wing - Car Plans 3

f3/16 inch Tungsten Cubes are required to build the following pinewood derby cars:
  • The Predator - Car Plans 7

  • The Vaccinator - Car Plans 7

  • The Assimilator - Car Plans 7

gA 2.5 Oz Tungsten Canopy is to build the following pinewood derby cars:
  • The Assimilator - Car Plans 7

hA 3.5 Oz Tungsten Canopy is required to build the following pinewood derby cars:
  • The Predator - Car Plans 7

  • The Vaccinator - Car Plans 7

iA solid Tungsten Round is used to build the following pinewood derby car:
  • The Low-Rider - Car Plans

jA Triangular Tungsten Canopy is used to build the following pinewood derby car:
  • The Vector - Car Plans 8

kSteel Bars are used to build the following pinewood derby cars:
  • The NitroRail - Car Plans 8

  • The Barracuda - Car Plans 8


Our Guarantee

We cannot guarantee that your pinewood derby car will win a trophy, but we can guarantee that you will be satisfied with our products. If you are not satisfied with a product, please refer to our return policy.

With Maximum Velocity! booklets and supplies
you can build a pinewood derby car that reaches

MAXIMUM VELOCITY!




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Updated September 15, 2014