TinkerActive Early Skills workbooks are curriculum-based hands-on fun, perfect for your littlest learners! Each Early Skills workbook is: Created with award-winning teachers, Packed with stem activities, Filled with tinkering, crafting, & engineering projects, Loaded with stickers and a reward poster, Complete with a write-and-wipe game board and activities for repeated practice and play, And even includes easy and practical tips on how to engage your little tinkerer in learning. For ages four and up, this workbook covers: human body, plants, animals, the earth, energy, objects & sorting, and experimenting.