5mm sphere magnets

5mm Dia N35 Neodymium Sphere Magnets NdFeB Rare Earth Magnetic Balls BuckyBalls STEM Puzzle Toys

Price range: $4.59 through $10.79
6mm bucky balls

6mm Dia Neodymium Sphere Magnets N48 Strong Powerful Magnetic Balls Buckyballs STEM Toys

Price range: $4.89 through $14.99
7mm bucky balls sphere magnets

7mm Dia Neodymium Sphere Magnets BuckyBalls N35 Strong Rare Earth Magnetic Balls Neo Magnets STEM Toys

Price range: $7.99 through $68.99
8mm sphere magnets

8mm Dia Neodymium Sphere Magnets BuckyBalls N35 Strong Rare Earth Magnetic Balls STEM Toys

Price range: $4.59 through $18.99
10mm sphere magnets bucky balls

10mm Dia Neodymium Sphere Magnets N35 Strong Rare Earth Magnetic Balls Neo BuckyBalls STEM Toys

Price range: $6.79 through $42.59