Balls
  • Clear Acrylic Ball, 1 in. dia.

    Clear Acrylic Ball, 1 in. dia.

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

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

    Clear Acrylic Ball, 5/8 in. dia.

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

    $19.95
    Add to Cart
  • 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 Wrestler® 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
    Add to Cart
  • Practice Golf Balls

    Practice Golf Balls

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

    $7.95
    Add to Cart
  • Actual ball may vary.

    Steel Balls, 11mm

    For use with projects, scientific experiments, Rube Goldberg® Competitions, etc. 10/pkg.

    $3.35
    Add to Cart
  • Actual ball may vary.

    Steel Balls, 3mm

    For use with projects, scientific experiments, Rube Goldberg® Competitions, etc. 100/pkg.

    $14.95
    Add to Cart
  • Actual ball may vary.

    Steel Balls, 6mm

    For use with projects, scientific experiments, Rube Goldberg® Competitions, etc. 50/pkg.

    $12.95
    Add to Cart
  • Wood Balls, 19mm

    Wood Balls, 19mm

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

    $2.95
    Add to Cart
Compare Selected