3MM 1/8 Inches Magnetic Balls/Beads Round Magnets by IO-Tech (TM) (Set of 50) Multi-Use Craft & Refrigerator Magnets - Round Gold Magnets on Fridge - - Office Organization dry Erase Magnets

5MM 1/5 Inches Magnetic Balls/Beads Round Magnets by IO-Tech(TM) (Set of 50) Multi-Use Craft & Refrigerator Magnets - Silver Magnets on Fridge - - Office Organization dry Erase Magnets

CMS Magnetics CMS25038 3/8” Chrome Precision Steel Ball Bearings, NOT MAGNETS – Pack of 250

100 1/8" Inch Chrome Steel Bearing Balls G25

500 1/8" Inch Chrome Steel Bearing Balls G25

JIALEEY Magnetic Cube Relief Toys Intelligence Development and Stress Relief Magnets Toy Puzzle Building Blocks for Office School Home DIY Desktop Decoration, 216 PCS

Yukkio Magnetic Holders Multi-Use Square Cube Magnets Toy Puzzle Magnet Block Magic Cube Education Toys Metal 3x3x3mm (216 Pack)

Weirui Magnetic Cube 216pcs Rolytoy Magnets Blocks Magnetic Sculpture Holders Square Cube Children's Puzzle Magic Cubes DIY Educational Toys for Kids (Colorful, 5mm)

5MM 1/5 Inches Magnetic Balls/Beads Round Magnets by IO-Tech (TM) (Set of 50) Multi-Use Craft & Refrigerator Magnets - Gold Magnets on Fridge - - Office Organization dry Erase Magnets

1.5mm Diameter Chrome Steel Bearing Balls G25 Ball Bearings VXB Brand (Set of 250)