Snowball Toss
Make your own snowballs inside when you can't make them outdoors in the winter. Save used pieces of paper for this purpose. Old wrapping paper or tissue paper also will work. The kids will crumple up the paper into snowballs. The tighter they crumple the balls, the faster they will fly. Create a target for the snowballs. A laundry basket or box will work well. The kids can take turns tossing the paper snowballs into the target. Move the target farther away after each round. Another option is to have different targets for each round. For example, in the first round the players might try to toss the snowballs on the couch. In the second round they might use the kitchen table as the target.
Snow-Melting Race
If the snow and cold weather prevent you from going outside, bring the snow inside for an entertaining game. Each player needs a bowl of snow. Make sure everyone has the same amount of snow in his bowl. The goal is to be the first person to melt all of his snow. You can provide different tools and materials to help the melting, or let the kids think of and find their own supplies. This game uses elements of science in an entertaining format.
Mitten Match Relay
This game works well with a large group of kids but can also work with a few kids. Make a large pile of mittens at one end of the room. Mix the mittens up so the pairs aren't together. One at a time, the kids race to the pile and dig through to find a pair. They put on the pair and race back to the starting line to tag the next person. She repeats the process, finding another pair of mittens. You can also have the kids complete a task while they're wearing the mittens, such as unwrapping a present or drawing a shape on a dry-erase board.
Snowflake Search
Snowflake stickers or clip art images work well for this indoor game. You can also make your own paper snowflakes. Hide the snowflakes around the house. Hide some snowflakes in easy spots and others in more difficult spots. The kids search for and collect as many snowflakes as possible. The person with the most snowflakes wins. You can also add other elements to the game. One option is to put a special mark on one snowflakes that earns an extra prize. You can also add an educational component by numbering the snowflakes. Once they are all collected, the kids arrange the snowflakes by number.