TinkerActive Workbooks: 1st Grade ScienceTINKERACTIVE WORKBOOKS: 1ST GRADE SCIENCE is part of an exciting workbook series that blends traditional exercises with hands on activities. Tinker, make, and engineer to learn through play! With TINKER ACTIVE WORKBOOKS, learning leaps off the page and into the real world. Start with interactive and entertaining exercises that cover the essential first grade science and problem solving skills. Then, apply what youve learned in exciting hands on