[Ocean Explorer STEM Bath Set]Interactive bath toy set designed for 1-3 year olds, featuring 3 cartoon ducks, 1 smiling whale, and 2 cute pufferfish. Made with FDA-approved silicone and eco-friendly birchwood, certified by 3C Safety Standard & EN71-3 Toy Regulation. Innovative turbo water jet design produces 6 water effects (rainbow vortex/bubble storm/foggy forest), enhancing hand-eye coordination and fluid dynamics awareness. Whale's abdomen includes NFC chips that trigger 6 marine creature sounds (seawaves/whale songs/jellyfish giggles) along with Morse code tutorials, promoting auditory discrimination and logical thinking. Pufferfish adopt inflatable floating platforms that expand into 3D labyrinths upon contact with water, supporting balance training and spatial exploration. All edges are rounded with 15° angles and passed 18 heavy metal tests, safe for accidental ingestion. Water-resistant design features chromatic-changing neon colors (blue-green gradient/neon orange) with water depth. Includes waterproof PP storage case with magnetic assembly tools and educational manuals, enabling 30-second rapid assembly, immersive STEM learning, and effortless cleanup. Perfect for home bathtubs, children's pools, outdoor picnics, or hotel room gifts, transforming every water experience into an oceanic scientific adventure!