As long as you don’t mind getting a little messy.
When I first tried this technique a few years ago I used acrylic blocks – you can see the post here – the results were great! This time I used a craft mat and it was perfect for a larger piece of paper.
This is one of my favorite projects – I love the way the colors came together.
Here’s a one-sheet how-to on the IMAGINE Crafts Blog.
This is a fun version – all in blue:
Give it a go – it might take you back to your finger painting days!