Create a winter board using things found in nature, such as twigs, berries and evergreen sprigs. Take kids on a nature walk so they can help collect these items, and talk about what you find. Use white cloth or scrap paper to create a snowy background, and use hot glue to fasten twigs to the background to create a log cabin and fence. Glue evergreen sprigs and twigs to create the border of a forest behind the house.
Cut out different snowflake shapes, or help kids cut them out, and apply silver glitter to make them sparkle. Then, after covering the board with paper, paste on the snowflakes. A frosty blue background creates an icy look. Print out sayings about snowflakes and winter in pretty fonts and paste them around the board between the snowflakes, or have kids write short poems and paste them on.
Take kids on a nature walk and look for the tracks of different animals. Talk about what they might be without giving kids the answer right away. Let them speculate about what the animals were doing and where they were going. Have kids draw pictures of the tracks while they're looking at them. Then, look at a field guide together and let kids try to match them to the correct animal. Finally, create a bulletin board that shows the tracks of animals in your area. Display some tracks moving across the board, others zig-zagging, and others meandering around. Ask kids if they can remember which animals left these tracks.
Kids love penguins, and they're a great way to introduce kids to faraway habitats. Print coloring pages from the KinderPlans website, a coloring book or other website, then have kids color their own penguins. Create a board that displays a snowy slope and paste the penguins onto it as if they're sliding down.
Help preschoolers to build their own snowmen---or snow-women---using white construction paper, as suggested on the Everything Preschool website. For the background, the website suggests making the board navy blue with snowy hills at the base, using construction paper.