Add blue candy melts to bowl and melt in microwave in 30 second increments stirring in between until creamy and smooth. Repeat with pink candy melts.

Fill the molds with blue melted chocolate on one side and pink melted chocolate on the other side. Make sure to only fill the sides of the mold all the way to the top and keeping the inside hollow. Use the back of a spoon to guide the chocolate throughout the mold.

Place in the fridge or freezer for about 5-10 minutes or until harden and easy to pop out. Very carefully remove the chocolate from the mold. If they don't pop out easily, place back in the fridge or freezer for a few more minutes.

Using one chocolate half, add the cocoa mix and either pink or blue marshmallows on top for the gender reveal. Heat a plate in the microwave for about 45 seconds, carefully taking it out cause the plate will be hot.

Take the other chocolate half and smooth and press the open part onto the hot plate for a few seconds to melt the chocolate and twist a bit to smooth the edges. Connect the two half pieces of chocolates together and seal together.

Add white candy melts to bowl and melt in microwave in 30 second increments stirring in between until creamy and smooth. Place in a disposable piping bag or zip lock bag with the tip cut off. 

Pipe melted chocolate across the top of the hot cocoa bomb by moving back and forth. Add one big question mark in the middle and two smaller ones on each side of the bigger one.

How to Use a Gender Reveal Hot Cocoa BombHave everyone get their hot cocoa bombs ready and carefully place in the bottom of a cup. At the same time have everyone pour piping hot milk in cup over top of hot cocoa bomb and watch it open up to reveal the gender of the baby. Stir and enjoy!