Cut melon in half and deseed and then cut into chunks.
Place melon chunks into blender and add simple syrup.
Blend until melon is pureed and smooth.
Fill popsicle molds to halfway.
Divide acai into molds but leave at least 1/4 inch space at the top.
If the cover of your mold tray provide holes for insertion of popsicle sticks, allow the melon mixture to partly freeze before inserting - approx. 2 hours.
Melon mixture should take approx. 8 hours to completely freeze.