The purpose of this Selfie Science is to tinker at home. In the book, Charlotte tinkers with her doll. 1. Read Doll-E by Shanda McCloskey. 2. Find a toy at home to improve. 3. Tinker, make, and invent. Take pictures and/or videos of your improved toy. 4. Use the App of your choice to describe your new toy. 5. Upload to Seesaw.