Makala are Kala's introductory range of ukuleles. There aren't many budget-price concert ukuleles around, but this is a good buy. If you can find it, it's worth buying on that comes with setup and some good strings (like Aquila).
UkeNukem plays a quick tune on his Makala Concert.
Kala MK C Makala Concert Ukulele Bundle
On eBay UK
Construction: Agathis (laminated) top, sides, and back
Tuners: Geared Tuners