drawing on the ground
drawings get wet and destroyed
put the weight on shoulders and elbows
easily get tired
not helpful for concentrations
neck and back pain
cause a bad habit
cause more pain to the body
never recover from illness
inappropriate sitting and writing posture
bring chairs
kids are drawing on knees or
something flat that nears to them
kids focus on the field trip and forget about the chairs
they have to carry pens and water too
too heavy to carry wherever
beach chairs are not security for kids
occupy space
needs big space to put lots of chairs in if there are lots of kids
no chairs and tables
children drawing on the field trip
Inappropriately sitting and writing posture