🐝 Buzz into the incredible world of honeybees! Build a bee model, uncover the secrets of bee communication, and discover how teamwork helps hives—and people—thrive.

♾️ Build a pattern that could go on forever! Investigate infinity, predict how sequences grow, and create a mathematical model with a clear rule. How far can your idea stretch?

🎙️ Give every voice a boost—without a single battery! Investigate sound waves and vibration, then engineer a model amplifier that makes speech easier to hear while building authenticity, confidence, and self-respect.

🌊 Stop trash in its tracks! Engineer a litter-trapping device that lets water flow while keeping plastic and other debris out of rivers, streams, and oceans. Can you help protect our planet—one splash at a time?