The butterfly colour song

Twinkle, Twinkle, little star

Robby the blue koala in colorville

Numbers song

Colour song

Ilusiones ópticas

Modelo operaciones

4.890            +     5.560                   1.672	8.942                 X 523	9.426                X 783
1.900               -   1.897	4.539                   X 82	87783 - (65 X 89)
90209 |­­­­­­86	61623|­­­­­­355	68492|­­­­­­43
929065|­­­­­­612