Spark creativity, innovation, and problem-solving with the Think Link Education Cardboard Challenge! Students are invited to design and build an original invention, game, structure, or creation using cardboard and recycled materials. This open-ended challenge encourages imagination, critical thinking, and hands-on STEM learning while empowering students to see themselves as real-world innovators. Open to all grade levels, the challenge celebrates creativity, thoughtful design, and the power of simple materials to create big ideas.