1
Line a slice tin with baking paper and set aside.
2
In a bowl place, the biscuits, coco pops, coconut and walnuts and stir to combine.
3
In a glass bowl, place the butter and golden syrup and heat in the microwave until melted for about 1-2 mins. Stir in dark chocolate and keep stirring until chocolate is entirely melted.
4
Pour the chocolate mixture into the dry mixture and stir until totally combined. Press into the slice tin and press down with the back of a metal spoon.
5
Sprinkle rainbow chocolate chips over the top and press in with the spoon.
6
Refrigerate for one hour and cut into bars.