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Flexi assesses a student's understanding of various topics through interactive conversations. Flexi guides students through lessons, continuously evaluating their comprehension. Flexi uses CK-12's adaptive quizzes to determine a student's skill level on various topics.

Learn with Flexi. Want to learn a new concept? Flexi will be your guide as you navigate new learning material, test your knowledge as you improve, and provide help when you ask for it.

flexi leashes are small wonders in their own right – packed with innovative ideas, patented technology and handcrafted details. Each model is assembled by hand and undergoes more than 100 quality checks before your tail-wagger actually gets to use it.