Colour: light green, dark green, yellow, orange and red.
Size: short, long, cms. (Grades 3, 4, 5 and 6)
Shape: wide and short, long and thin, round, other. (Grades 3, 4, 5 and 6) Feel: smooth, rough, hairy, spiky. (Grades 4, 5 and 6)
Smell: none, weak, strong. (Grades 5 and 6)
Location: tree or plant. (Grade6 only)
Good luck with your project.