It's hard to tell from the pic but it could be a sugar molded egg or you could use gp (mixed w/fondant). I'm guessing fondant or gp. Sugar molding was used mainly before gp caught on![]()
A sugar mold or gp will hold up fine as would fondant w/Tylose added.
In the Wilton Tiered Cakes Book page 46 there is the cutest baby carriage on top of a tiered cake and one of my students made it. The egg pan is what they used and a mix of fondant and gumpaste to mold in that shape. It gives step by step instructions. The carriage is "balanced" on lollipop sticks and the wheels are either cookies or fondant.
Good luck!
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