Ada Twist, Scientist Age 12 Or start when he becomes

Or start when he becomes a teenager

Bright colors and sweet illustrations of familiar objects

Choosing how to set the base is half the fun for your toddler

and move around as if by magic

8 erasable sketch books

Ada Twist, Scientist Age 12 Or start when he becomesInspired by real life makers Ada Lovelace and Marie Curie, this beloved #1 bestseller champions STEM, girl power and women scientists in a rollicking celebration of curiosity, the power perseverance, and the importance of asking Why? Ada Twists head is full of questions. Like her classmates Iggy and Rosiestars of their own New York Times bestselling picture books Iggy Peck, Architect and Rosie Revere, EngineerAda has always been endlessly curious.