Glow in the dark bowling! Awesome outside activity when it gets dark.
Gluesticks: 3-D Star Wreath
Glow sticks inside
Moon and Stars cupcakes
Matariki star weaving at Hornby by Christchurch City Libraries, via Flickr
Upcycled Lanterns from Kids Art
Matariki next year? 1 hula hoop + 2 strings of icicle lights and a bit o' duct tape
Seven Stars of Matariki
Tortilla-Snowflakes.pdf could also be stars!