Using candy colors, tint portions of melted white candy blue, yellow, pink and violet. With parchment triangles, pipe tinted candy into design sections in egg mold. Chill to set.
Spoon 2 tablespoons of melted white candy into the bottom of egg mold. Brush candy up the sides. Chill to set. Repeat process until shell is 1/4 in. thick.
Remove eggs from pan by pulling egg mold away from candy. Smooth edge of eggs by rubbing on a heated cookie sheet.
Fill half of the egg with jelly beans. Pipe candy on edge of egg; attach egg halves together. Chill to set.
For grass base, tint white candy with green candy color with yellow for green shade shown. Fill bottom of baking cup 3/8 in. deep. Tap to level out candy. Using cut bag, pipe up side of cup 1/2 in. to 3/4 in. Chill firm. Peel baking cup off and remove candy grass cup.
Tint coconut by placing desired amount of coconut in plastic bag, add a little color with toothpick and knead until color is evenly blended. Sprinkle in grass in base. Position egg.
Note: To crack open egg for hidden treat, either use a knife to cut open like shown or simply strike against a hard surface.