Hello, I have found the following avvies:
01) Maraschool
03) Double Education
04) Geography
05) Maths
07) Guess the Flag
08) Boost
09) 3.14 Pie
10) Double Training
12) Take your medicine
13) Triangle
14) Trumpet
15) Violin
16) Xylophone
17) Dapple
18) Bed Time
19) Fidgety
16 Avvies in total.