Spark sensory discovery with Baby Einstein Cal’s Sensory Shake‑Up™ Activity Rattle. Featuring five multisensory elements—including textured antennae, a twist‑click head, hourglass beads, a baby-safe mirror, and colorful rattle rings—this BPA‑free rattle nurtures visual, tactile, and motor development. Designed for little hands 3months+. it’s battery-free, portable, and perfect for on-the-go play.