Reinforce the skills that lead to kindergarten and first grade success with this engaging, interactive, multi-subject set and Ollie The Talking, Teaching Owlpen! Designed for ages 5-6 years, this set includes: 80 Richly illustrated, oversized, double-sided cards feature 160 lessons; Lessons cover reading, math, science, and more; Interactive Ollie pen with lights and 17 speech and sound effects; 20-Page parent guide. Pen requires 2 AAA batteries (not included).