Winter SNOWFLAKES
Even toddlers can make these snowflakes. We borrowed the idea from here. To make them you need some cardboard (we used a standard school set), narrow masking tape and some paints.
Stick the masking tape to make a snowflake and let the child cover the whole sheet with tempera paints.
When the paint has dried completely, peel off the masking tape.
Draw around the contour with a felt-tip pen to make the snowflake more contrasting.
Besides snowflakes, you can also make a winter tree: