DoDEA is need of the following: Connections subscriptions for science instruction in Biology, Chemistry, Physics, and Earth Science through hands-on science experiments using Vernier Probeware for approximately 25,000 students and 400 teachers.Graphical Analysis Pro, an educational platform which allows students to collect, visualize, and analyze data from Vernier sensors in real-time and provides advanced features for more in-depth analysis, including user-defined curve fits, error bars, and synchronizing data with video. Coaching on Demand, which addresses the needs of individual teachers and subject matter experts in the use of the Vernier probeware and related resources. DoDEA also requires professional learning and technical support for the required services listed. DoDEA intends to award as sole source award due to Vernier Software and Technology, LLC being the sole designer, manufacturer, and distributor of its probeware and associated Connections software and is the only entity with the requisite proprietary knowledge and intellectual property rights to provide training that is fully integrated with its products.