Make differentiation easy with this 5-step addition and subtraction up to 20 task cards mega bundle! 34 colorful Pages! Use with colored plastic links. I bought some from Amazon.Set 1comes with 12 big cards (laminate on double-layer card stock) with colorful dinosaur numbers up to 20 (3 blue, 3 green, 3 yellow, 3 red) holes dotted for you to punch with hole puncher and can be used with colorful links (20 blue, 20 green, 20 yellow, and 20 red). Set 2 comes with 32 1/4 page cards (laminate on dou