Try this self-checking electronic quiz card set that gives children the basic skills they need to succeed in a fun, effective learning format. The Hot Dots Power Pen registers answers on any of the 80 two-sided colorful, pressure-sensitive cards (160 lessons). Five fun sounds reward correct answers and buzz incorrect ones. Set includes electronic pen and illustrated lesson cards that cover the sound alphabet, long and short vowels, digraphs, blends, and more. Purchase several pens separately and create fun phonics activities for groups or the whole class!