The Bat puzzle (IPP19 exchange)

Wake up the Bat, and let it Fly. 
A sliding piece or sequential movement puzzle by Serhiy Grabarchuk.

Remove the yellow block, ans slide the other pieces to change the start shape (of a sleeping bat) into the end shape (of a flying bat), without rotating the pieces or the box!

     ---------- payment & shipping ----------
Payment via Transferwise (no fee) or Paypal (6% fee), or IBAN within EU (no fee).
Shipping cost is €20 outside Europe,  €15 within Europe, €6 within NL.
Multiple items can be shipped together, also with items recently bought from me via other auctions or marketplace.