Check the listing for details. Sonic the Hedgehog Happy Birthday Backdrop 5x3.5ft Birthday Party Decoration. Color: Multicolor, Condition: New. Listed at 16.89 USD. Celebrate your little one's special day with a vibrant and energetic Sonic the Hedgehog themed backdrop, measuring a generous 5x3.5ft, perfect for any birthday party decor. This colorful backdrop features the iconic Sonic the Hedgehog character, adding a touch of animated fun to the celebration. Crafted from durable polyester material, it's designed to withstand the excitement of birthday festivities. The backdrop is ideal for creating a memorable birthday party scene, with a blend of bright colors and beloved cartoon characters. Whether your kid is a die-hard Sonic fan or loves animation, this backdrop is sure to make their birthday party unforgettable.Celebrate your little one's special day with a vibrant and energetic Sonic the Hedgehog themed backdrop, measuring a generous 5x3.5ft, perfect for any birthday party decor. This colorful backdrop features the iconic Sonic the Hedgehog character, adding a touch of animated fun to the celebration. Crafted from durable polyester material, it's designed to withstand the excitement of birthday festivities. The backdrop is ideal for creating a memorable birthday party scene, with a blend of bright colors and beloved cartoon characters. Whether your kid is a die-hard Sonic fan or loves animation, this backdrop is sure to make their birthday party unforgettable.