What's included? Replacement Linkable / Hanging Toys. These Replacement Parts works with the Fisher-Price Sit-Me-Up Floor Seat FJF61. Oh no, where did it go? Isn't it just the worst when you lose the most important part to Toys? Never fear, we've got you covered. We carry a large variety of replacement parts for your toy or baby product. These are replacement Linkable Toys for Fisher-Price Sit-Me-Up Floor Seat - Item # FJF61.