🫁 Breathing & Lungs STEM Bundle (K–2) | Inhale & Exhale, Lung Capacity & Balloon Model Activities Help young learners explore how their lungs work with this engaging Breathing & Lungs STEM Bundle! Designed for Kindergarten–2nd grade, this hands-on collection allows students to investigate breathing, lung function, and air movement through fun experiments and model-building activities. Students will actively observe, test, and create, making science meaningful and easy to understand. 📦 Wha