The boys at the center could use...
new or used
 
A Heavy Bag(70lbs)
 
A speed Bag
 
Bag Gloves
 
Baseball Gloves( adult sizes)
 
Used Large Tractor Tire( fitness purpose)
 
Heavy Ropes ( fitness Purpose)
 
Plyometric Boxes
 
A counter top griddle
 
Large Cooler with spigot( water, gatorade...)