You can unlock and make a Star wand in ACNH by using DIY Crafting. With this tool you can gather materials.
How To Get Star Wand in ACNH
You can craft a Star wand by using 1x Large Star Fragment, 3x Star Fragment materials. You unlock the DIY Recipe from Celeste Wandering Island.
|Recipe||Materials Needed||Obtained From|
1x large star fragment
3x star fragment
|Celeste Wandering Island|