Problem: Every 10 minutes in the UK, a child under 18 has a tooth removed due to poor dental hygiene.
Idea: Teach your kids to spit.
Tear away magazine print for parents, made of litmus paper.
DM content would also be sent out encouraging play for the parents, the sink target would also be made of litmus paper.
Listerine caps would be redesigned to include a sand timer to quantify how long the mouthwash should be gargled.