Uncover some truly fascinating facts and encourage an early interest in science with three fully illustrated, interactive, non-fiction books—Dinosaurs, Sharks, and Space—and the brand-new, translucent, Hot Dots Talking Pen! Each book includes an activity page for added hands-on learning. Get 11 downloadable bonus enrichment activities that supplement your child’s learning experience (available online). Simply press the pen to an answer dot on any activity for an immediate audio and visual response. Perfect for independent, self-paced learning, this educational science set helps prepare children for success in school. # Pieces In Set: 5 Learning Skill: Reading + Writing, Languages Power Source: Battery (not Included) Recommended Ages: 8 Years And Up Measurements: 2.2 Height/Inches, 9.2 Length/Inches, 8.4 Depth/Inches Base Material: 100% Plastic Battery Size: Aaa Care: Wipe Clean Country of Origin: Imported