This kit is packed with materials kids need to complete 29 chemistry activities—from growing crystals to making candles! Plus, the kit includes a highly visual, step-by-step 40-page book that encourages independent use…and access to an online science portal with interactive activities, games, links and more. It’s scientific learning with a touch of whimsy! Kit comes with tons of materials to complete the activities, including balloons, baking soda, wax and more. Book measures 10".