This solid puzzle is for respectable thinkers!
The word Hedgehog is used as puzzle’s name for a reason. By tradition Hedgehog is the name of burrs type that have the same length and have both planes and symmetry axes. That helps to stock bars with the highest density.
Hedgehog is a very unique puzzle.
Hedgehog consist from 18 identical elements. Try to disassemble it: and you can succeed!
But put it back together is a test for the smartest!
Wood, handmade from birtch tree, oak, red wood.