Bring hands-on learning to life with this engaging, classroom-ready STEM Challenge Bundle! Designed for ages 8–12, these five low-prep activities help students explore engineering, physics, design thinking, and problem-solving using simple, everyday materials. Perfect for science centers, STEM rotations, enrichment, sub plans, or anytime you need meaningful learning with minimal setup. This bundle covers key NGSS-aligned concepts in forces and motion, gravity, energy transfer, aerodynamics, and