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... MSRP: Was: Now: $15.95 Add to Cart
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... MSRP: Was: Now: $19.95 Add to Cart
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. MSRP: Was: Now: $7.95 Add to Cart
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! MSRP: Was: Now: $2.10 Add to Cart
Steel Balls, 11mm For use with projects, scientific experiments, Rube Goldberg(tm) Competitions, etc. 10/pkg. MSRP: Was: Now: $3.35 Add to Cart
Steel Balls, 3mm For use with projects, scientific experiments, Rube Goldberg(tm) Competitions, etc. 100/pkg. MSRP: Was: Now: $14.95 Add to Cart
Steel Balls, 6mm For use with projects, scientific experiments, Rube Goldberg(tm) Competitions, etc. 50/pkg. MSRP: Was: Now: $12.95 Add to Cart
Wood Balls, 19mm For use with projects, scientific experiments, Rube Goldberg(tm) Competitions, etc. 10/pkg. MSRP: Was: Now: $2.95 Add to Cart
