we often have students who are afraid of heights and this is a great activity to seriously push them outside their comfort zone. loose or lost fillings: you might have an aching tooth that’s caused by a loose or lost filling. it was so cold that cars stopped working. they wrestled with questions of how much to trust each other, and they even wrote their first “law of the island” by keeping most of their food in a community reserve and creating a punishment for anyone who stole from the reserve. the metal and plastic is eventually sorted out. 