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Versatile two-sided Shamrock/Rainbow Calendar Cover-ups feature a lucky shamrock on one side and a colorful rainbow on the other side. Each pack comes with 36 cards33 numbered, two-sided cards, and 3 bonus blank cardswith coordinating designs on both sides. These 3" x 2.5" cards will fit any standard classroom calendar. These sturdy cards can also be used for sorting activities, game pieces, creating number lines, math lessons, and so much more! Many designs and colors to choose from to fit any classroom theme.