Estimation Jar Game - Guess the Number of Marbles #3031553 (License: Personal Use)

This educational game features two side-by-side jars: one transparent with 28 visible marbles at the bottom, and another opaque jar covered by a red question mark, concealing its contents. Players select difficulty levels (Easy, Medium, Hard), input their estimate, and click “Reveal” to uncover the hidden count. The interface uses bright colors and intuitive controls to engage learners in developing numerical reasoning and visual estimation skills.

Used in elementary math education, classroom activities, or online learning platforms to teach estimation, counting, and probability. Matches user intent for interactive, gamified learning tools for children aged 6-12.