Tear agar bars into small pieces.
In a large pot. combine agar and coconut juice and soak for about 30 minutes or until softened.
Over medium heat, bring to a boil, stirring regularly, until agar-agar melts.
Add sugar and continue to cook, stirring regularly, for about 10 to 15 minutes.
Add coconut milk, shredded young coconut, and pandan extract. Stir until color is well distributed.
Bring to a simmer (DO NOT BOIL) and continue to cook for about 2 to 3 minutes until heated through.
Remove from heat and transfer mixture to a lightly greased 8-cup gelatin mold. Cool until gelatin begins to set.
Cover with film and refrigerate for about 1 to 2 hours or until completely set.
To serve, carefully invert onto a serving plate and cut into serving portions.