Fun and easy to use, kids can learn new facts and practice new skills individually or with friendsnDurable cards; no see-throughn56 Two-Sided Cardsn3 1/8u0026#34; X 5 1/4u0026#34;nIdeal for TeachingnFor ages 4-8nHandy 3 1/8u0026#34; x 5 1/4u0026#34; sizenRound corners for quick sortingnBuild Vocabulary Skills With Colorful Cards That Take Learning On The Go! Fun And Easy To Use, Kids Can Learn New Facts And Practice New Skills Individually Or With Friends. Durable Cards; No See-Through. 56 Two-Sided Cards. 3 1/8" X 5 1/4".