Method:

1. Heat milk chocolate, butter and marshmallow in a small saucepan over low heat until melted and smooth.
2. Combine melted milk chocolate in a large bowl with noodles, rice bubbles and Dollar Sweets.
3. Spoon mixture into a greased and lined 16 by 26cm slice pan, pressing down firmly with the back of a spoon. Set this mixture aside.
4. Repeat the above steps with white chocolate.
5. Spoon white chocolate mixture over the milk chocolate layer, pressing down firmly with the back of a spoon.
6. Refrigerate for 1 hour, or until firm.
7. Remove crackle from pan, and cut into 12 pieces.