100 Esti-Mysteries are included in this set of downloadable materials! In 1 quick download, you'll have EVERY Esti-Mystery that was created during the 2023-2024 school year (from Oct. 2023-May 2024). This includes all 90 that were posted on my blog and 10 exclusive Esti-Mysteries that are only available in this bundle. Esti-Mysteries are organized by levels - in separate files - within the zip file you download!

140 Esti-Mysteries and 36 Estimation Clipboards are included in this set of downloadable materials. In 1 quick download, you'll have EVERY Esti-Mystery and EVERY Estimation Clipboard that was posted during the 2021-2022 school year (from October 2021-May 2022). Esti-Mysteries are also organized by levels - in separate files - within the zip file you download!

The course for educators who want to learn how to design and customize Esti-Mystery experiences for their students. Steve Wyborney, the creator of Splat!, the Estimation Clipboard, Tiled Area Squares, the Animated Multiplication Table, and Esti-Mysteries guides you through the process of creating your own Esti-Mysteries designed specifically for your students!