Outdoor STEM Challenge Cards

20 outdoor STEM challenges that use the natural world as a laboratory. Build a bridge from sticks. Design a waterproof shelter. Measure tree heights using shadows. Engineer a boat that floats. Each challenge is a hands-on engineering adventure using only what you find outside.

What's Included

• 20 outdoor STEM challenge cards
• Engineering: bridges, shelters, boats, towers, and structures
• Science: measurement, forces, materials, buoyancy
• Each challenge uses found natural materials only
• Includes testing criteria and reflection prompts

Every Activity Includes

• What this activity builds: clear learning focus
• Materials needed (minimal or none)
• Before you start: parent-friendly guidance
• Step-by-step instructions to follow along
• 3 flexible levels: Explore / Develop / Extend
• Support tips and conversation starters

Why Families Love It

• Low prep. Open and follow along on any device
• Reusable year after year, with a different experience every time
• Works for one child or five, multi-age friendly
• Curiosity-driven, not curriculum-driven
• Flexible: use one activity a day or one a week
• Real-world skills through real-world experiences

Best For