seven segmen with 4026 driver

I build counter with IC 4026, this is my Abandon project.. since 2005 i do not touch it. my money not enough to buy addtition of SSD (Seven Segmen Display) so this is it the the pin figure :

compare to BCD Counter(IC 4511) this use only clock to change that digit, 0...1..2...3..4..5..6...7..8..9.. meanwhile BCD need 4 wires (a,b,c,and d)
here the prototype :