Learn how the history of the Earth is written in rocks! This kit is complete with a 56 page illustrated book which provides easy to understand step-by-step instructions and comes with materials for various activities. With more than 20 exciting experiments young scientists will learn how to identify rocks, create a lava fountain, smash rocks, learn about lava and a whole lot more!Details:27+ piecesFor 1 playerFor ages 8 and upContents:20+ rock samples1 pack of modeling material (8 oz.)1 ring magnet1 plaster of Paris1 magnifier1 rock tray1 pack of stickers1 book