Amazon offers Prime members the Fisher-Price Woodland Friends 3-in-1 Musical Activity Gym, model no. CDN47, for $24.10 with free shipping. (Non-members can spend $35 to qualify for free shipping; otherwise, it adds $7.60). That's the lowest total price we could find by $6. It features a take-along musical fox toy and five linkable activity toys. It requires 2 AA batteries (not included).