600 pieces 6 colors metallic chips in blue, purple, orange,yellow, green and red.
The magnetic chips measure 19mm in diameter(0.75 inches).Translucent chips could cover the numbers on the bingo cards and easy to read.
More durable and thicker metal rings.Each chip has a sliver metal ring inside. Don't worry about it becomes loose or fall off the chip.
After each game, people can clean the board easily with a magnetic wand.(Wand is not included.)
A great teaching tools for learning math,counting, color sorting, adding, find skip count patterns for multiplying and other scientific and educational activities.
