Minecraft PE seed : 1429393215 – Snowy Mushroom Biome
After spawn you will see a large mushroom in front of you. It’s a sign you will entrance to the a big mushroom biome. Continue to that direction, you will reach to the a large mushroom biome, some part of it got snow. An odd seed, quite rare when you find a snowy biome close by other biome with a lot of mushroom lying on it. Also if you go out to the sea you can find some island with varying a terrain have mushroom biome too.
Seeds : 1429393215 Work in PE ver0.10.5 or ver0.11.0+