# Gizmos by ExploreLearning > The world’s largest library of interactive math and science simulations for grades 3–12, designed to foster inquiry-based learning and deeper STEM understanding. ## Discover Gizmos - [Find Gizmos](https://gizmos.explorelearning.com/): Search over 550 virtual labs and simulations aligned to educational standards. - [FREE Gizmos](https://gizmos.explorelearning.com/find-gizmos/free-gizmos): Access a selection of Gizmos available at no cost. - [STEM Cases](https://gizmos.explorelearning.com/find-gizmos/stem-cases): Explore case studies that integrate STEM concepts. - [New Releases](https://gizmos.explorelearning.com/find-gizmos/new-gizmos): Explore the latest additions to the Gizmos library. - [Browse by Standard](https://gizmos.explorelearning.com/find-gizmos/browse-by-standard): Filter Gizmos by educational standards such as NGSS, Common Core, and other standards. - [Browse by Grade & Topic](https://gizmos.explorelearning.com/find-gizmos/browse-by-grade-topic): Find simulations tailored to specific grade levels and STEM subjects. - [Browse by Core Curriculum](https://gizmos.explorelearning.com/find-gizmos/browse-by-core-curriculum): Access Gizmos aligned with core curriculum requirements. ## STEM Learning Experiences - [About STEM Cases](https://gizmos.explorelearning.com/about-gizmos/about-stem-cases): Engage students in real-world STEM challenges with interactive problem-solving. - [Gizmos Investigations](https://gizmos.explorelearning.com/about-gizmos/gizmos-investigations): Guided science lessons, built around real-world problems. - [Popular Gizmos Collections](https://gizmos.explorelearning.com/resources/popular-gizmos-collections): Curated sets of simulations for targeted learning outcomes. ## About Gizmos - [What's a Gizmo?](https://gizmos.explorelearning.com/about-gizmos/): An introduction to what Gizmos are and how they work. - [Take a Tour](https://gizmos.explorelearning.com/about-gizmos/take-a-tour): A guided tour of the Gizmos platform and its features. - [Supporting All Students](https://gizmos.explorelearning.com/about-gizmos/gizmos-supporting-all-students): Discover how Gizmos adapt to diverse learning needs. - [Testimonials](https://gizmos.explorelearning.com/about-gizmos/testimonials): Hear from educators and students who use Gizmos. - [How to Get Gizmos] (https://gizmos.explorelearning.com/about-gizmos/how-to-get-gizmos): Try any Gizmo to see what they look like and how they work. ## Research & Impact - [K–5 Science Research](https://gizmos.explorelearning.com/about-gizmos/elementary-science-gizmos): Evidence of Gizmos’ effectiveness in early education. - [Impact on Student Achievement](https://gizmos.explorelearning.com/research/the-impact-of-gizmos-on-student-achievement): Studies showing improved outcomes with Gizmos. - [Research Behind Gizmos](https://gizmos.explorelearning.com/research/research-behind-gizmos): The pedagogical foundation of Gizmos. ## Support & Resources - [Professional Development](https://gizmos.explorelearning.com/support/): Professional development resources for educators. - [Help Center](https://help.explorelearning.com/en/): FAQs and troubleshooting. - [Educator Resource Hub](https://www.explorelearning.com/educator-resource-hub/gizmos): Educator resources, videos, and classroom tools. - [Insights] (https://gizmos.explorelearning.com/resources/insights/): Discover insights and teaching tips from our experts. - [Success Stories] (https://gizmos.explorelearning.com/resources/success-stories/): Explore inspiring Gizmos success stories from educators and districts. ## Get Started - [Sign Up for Free](https://gizmos.explorelearning.com/sign-up-for-free): Create a trial account and explore Gizmos. - [Request a Demo](https://apps.explorelearning.com/account/gizmos/demo): Schedule a personalized walkthrough. - [Request Purchasing Info](https://apps.explorelearning.com/account/gizmos/quote): Learn about licensing options. - [Request a Pilot] (https://apps.explorelearning.com/account/gizmos/pilot): Experience the power of Gizmos for an extended period of time.