Acrylic Ball, 5/8 in. dia. Clear acrylic balls can be used for: Physics and Ball-Bearing Experiments Creative Problem-Solving Competitions KELVIN® Design-A-Game™ Challenge KELVIN® Robotic Battle Ball™ 5/8 in. dia. 15/pkg. MSRP: Was: Now: $19.95 Add to Cart
Acrylic Ball, 1 in. dia. Clear acrylic balls can be used for: Physics and Ball-Bearing Experiments Creative Problem-Solving Competitions KELVIN® Design-A-Game™ Challenge KELVIN® Robotic Battle Ball™ 1 in. dia. 15/pkg. MSRP: Was: Now: $15.95 Add to Cart
Wood Balls 19 mm wood balls for use with projects, scientific experiments, creative problem-solving competitions, etc. 10/pkg. MSRP: Was: Now: $2.95 Add to Cart
Steel Balls, 3 mm For use with projects, scientific experiments, creative problem-solving competitions, etc. 100/pkg. MSRP: Was: Now: $14.95 Add to Cart
Steel Balls, 6 mm For use with projects, scientific experiments, creative problem-solving competitions, etc. 50/pkg. MSRP: Was: Now: $12.95 Add to Cart
Steel Balls, 11 mm For use with projects, scientific experiments, creative problem-solving competitions, etc. 10/pkg. MSRP: Was: Now: $3.35 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). 6/pkg. MSRP: Was: Now: $2.45 Add to Cart
Practice Golf Balls Light weight, hollow golf balls are ideal for use with creative problem-solving competitions, SUMO Car Wrestler® Challenge or Robotic Battle Ball Competition™. White, 12/pkg. MSRP: Was: Now: $7.95 Add to Cart
