Here are 2 wonderful activity books for growing plants in Science Class. Each book has 20 projects. These are very specific and show each step, supply list and space for notes. They are designed using simple, common supplies. Book 38 is for grades 3-8.Book 39 is for grades 3-10. These books are great for homeschooling or just for your children at home. I ship right away and will gladly combine shipping. You can save a lot of money by combining orders.