01 - Wash, peel, and dice strawberries, kiwi, mango, and pineapple into uniform bite-sized pieces. Keep blueberries whole. Set aside.
02 - Combine water and agar agar powder in a medium saucepan. Whisk thoroughly until powder is fully dispersed.
03 - Bring mixture to a boil over medium heat, stirring constantly. Reduce heat and simmer for 2 minutes until agar agar completely dissolves.
04 - Stir in granulated sugar. Continue mixing until sugar is fully dissolved and liquid is clear.
05 - Remove from heat. Add fruit juice and whisk well. Let cool 2-3 minutes, monitoring closely to prevent premature setting.
06 - Distribute prepared fruit pieces evenly across silicone mold or glass dish, ensuring balanced presentation.
07 - Gently pour agar agar mixture over arranged fruit, ensuring all pieces are submerged. Tap mold lightly to release air bubbles.
08 - Cool to room temperature, then refrigerate minimum 45 minutes until completely set and firm to touch.
09 - Unmold carefully or cut into cubes. Serve chilled for best texture and flavor.