This mobile does not fits on Play n Pack playards. Soothing Lullabie:Crib Mobile plays calming melodies with adjustable volume to create a peaceful atmosphere, helping your baby relax and drift into restful sleep. Detachable Toy: Hanging Nursery Mobile features 4 soft animal plush toys and 1 heart, all detachable for play. Soft toys engage your baby’s senses, promoting development and comfort for both playtime and bedtime. Upgraded Digital Music Box: Music box plays 12 lullabies with music and rotate which auto shuts off after 30 minutes. Requires 2 AA batteries (not included) and is easy to assemble. Educational Values: Mobile for crib stimulates your baby’s senses, promoting early development. The crib toys encourage visual tracking, while the melodies boost auditory skills, cognitive growth, and hand-eye coordination. Safe, Baby-Friendly Materials: Baby mobile is made from safe, baby-friendly materials like soft polyester and durable plastic, meeting high safety standards for peace of mind. Easy Installation: Baby crib hanging toy includes an easy-to-follow manual for quick installation, allowing you to securely attach the mobile to any standard crib in minutes for immediate soothing benefits.