These Magnetic Bingo Chips are to be used with the Magnetic Pick-Up Wand. These Magnetic Bingo Chips make it easy to clear you BINGO card. Helpful for those with low vision, arthritis and dexterity challenges, as well as the elderly, these magnetic chips put the joy back into playing Bingo. Chips measure 3/4 inch diameter. 100 chips per package. Color may vary.