I love the idea of doing rather than getting. I guess you can choose the ones that you can do- or if you are extra keen do two each day. ~ An Alternative Advent Calendar – 50 Acts of Kindness by kids – Mum in the Mad House
A homemade Christmas tree card (or invitation or gift tag) that doesn't require special equipment or too much work. Use a lollypop stick (or something similar) as the trunk, ribbon as the branches and a gold star as the topper.