Science4Us.com is an online based science curriculum that includes both online and offline resources. I received the Science4Us.com Online Subscription for both my Kindergartner and Second Grader. ($7.95 per child, per month). This program is designed for K-2 but could easily be used for 3-5th grades students as well. It is a perfect fit for families who have several elementary aged children since there are group activities and discussion questions geared towards a group. It would work well for an individual child also. Computer(s)* Printer Scissors/Glue and Crayons Common Household Items for Offline Activities * I found that having each child at their own computer, at the same time, during the online activities worked the best. If not possible, you will need to allow 5-15 minutes for each child's online time. Access to Online Animated Lessons and Activities Printable Teacher Guide for Each Lesson Teacher Explain Printabl...