| Addition And Subtraction Through 20 Gumball Facts Game - 4 mats, 80 chips Addition And Subtraction Through 20 Gumball Facts Game - 4 mats, 80 chips. "Practice Math Facts With This Fast And Fun Gumball Game Who can fill their gumball machine first? Students solve the math problems on the gumballs and match them to the gumballs on the mat. For 2-4 players. 4 double-sided mats (8 unique sides) * Size: 8"" by 10"" each * 80 gumball chips * Size: 1½"" diameter each * 1 storage box * Really Good Instructional Guide
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