3D Crystal Puzzle - Water Crown

This crystal puzzle is a 3D jigsaw puzzle. The transparent plastic pieces interlock to create a 3 dimensional object. In this case it is a Water Crown.
There are only 43 pieces but this is not an easy puzzle. It even comes with instructions but the pictures are not to scale so they are not easy to follow. The key is in the preparation working out the order of assembly and some pieces will look virtually identical.
When completed the pieces can be locked in to stop it from falling apart when picked up.