Balls
  • Clear Acrylic Ball, 1 in. dia.

    Clear Acrylic Ball, 1 in. dia.

    For Your Projects and Game Designs! 1" diameter, 5/pkg. Clear Acrylic Balls Can Be Used With: Physics and Ball-Bearing Experiments Rube Goldberg® Machine Contest KELVIN® Design-A-Game™ Challenge KELVIN® Robotic Battle...

    $15.95
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  • Clear Acrylic Ball, 5/8 in. dia.

    Clear Acrylic Ball, 5/8 in. dia.

    For Your Projects and Game Designs! 5/8" diameter, 15/pkg. Clear Acrylic Balls Can Be Used With: Physics and Ball-Bearing Experiments Rube Goldberg® Machine Contest KELVIN® Design-A-Game™ Challenge KELVIN® Robotic Battle...

    $19.95
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  • Golf Balls, White

    Golf Balls, White

    Light weight, hollow golf balls are ideal for use with Rube Goldberg(tm) Competitions, SUMO Car(tm) Challenge or Robotic Battle Ball Competition. 12/pkg.

    $7.95
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  • Ping Pong Balls

    Ping Pong Balls

    Use as the load for your catapult, as a nose cone for model rockets, or with the KELVIN® SUMO Car Competition (see who can gather the most ping pong balls). Sold only in a pack of 6. This low price works out to only 35¬¨¬¢ each!

    $2.10
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  • Steel Balls, 11mm

    Steel Balls, 11mm

    For use with projects, scientific experiments, Rube Goldberg(tm) Competitions, etc. 10/pkg.

    $3.35
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  • Steel Balls, 3mm

    Steel Balls, 3mm

    For use with projects, scientific experiments, Rube Goldberg(tm) Competitions, etc. 100/pkg.

    $14.95
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  • Steel Balls, 6mm

    Steel Balls, 6mm

    For use with projects, scientific experiments, Rube Goldberg(tm) Competitions, etc. 50/pkg.

    $12.95
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  • Wood Balls, 19mm

    Wood Balls, 19mm

    For use with projects, scientific experiments, Rube Goldberg(tm) Competitions, etc. 10/pkg.

    $2.95
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