Created with a combination of cardstock, HTV vinyl and permanent vinyl. Cake toppers are generally designed to approximately 16-18cm wide, but this can be adjust depending on your needs. 
Please feel free to email me with your request/vision and dimensions, and I will be able to provide a quote. 
 
Cost estimate guide:
Simple cake toppers (2-3 layers, 16cm): $20-25
Medium complexity cake topper (4-5 layers, 16-18cm): $25-30
Complex cake topper (4-7 layers, addition of images, 16-20cm): $30-50
*excluding postage