3 months & up. Enhance the possibilities for early discovery and sensory development with a safe, soft Tummy Time Reflection Cube. This unique foldable activity center provides a chance for very young children to observe reflections from various angles, explore different shapes and colors, and develop self-awareness. Use closed and open during tummy time and seated activities. Measures 11.5"W x 11.5"H x 11.5"D.