Life-size board games- could be good for a drop-in program or a longer term program. Kids drop in, roll the dice or put in a word, move along.
These 9 Summer Boredom Busters for Teen Boys will hopefully keep them occupied doing something creative for a bit, boys like creativity too!
Youth Grants provides a collection of resources on philanthropic and government support of youth development.
5 DIY Yard Games, Hours of Fun (Jenga/Dominoes/Yahtzee) - Lemon Thistle