The Wren 2 is a newly improved concertina that is the perfect beginners instrument and would equally serve an intermediate player. It has very good action and a great tone. 
 
 Key Features of the New Wren 2:
30 button Anglo Concertina in the key of C/G
Fully chromatic
Measures 6.3" across the flats (16cm)
8 fold bellows
Steel reeds
Loud, crisp tone
Durable black buttons
Wheatstone/Lachenal layout
Excellent response
Easy to play
Lightweight concertina - easy to handle for all ages
Traditional size - unlike other bulky beginner concertinas
Softer, more comfortable, adjustable hand-straps - suitable for both children and adults
Finished with improved stylish gloss exposed-grain wood