"they brought a firearm and ammunition on school grounds to give one other, the Weld County Sheriff's Office said Tuesday"

Lot of possibilities here. Youngsters could have merely been trying different types of firearms so they know which to ask for as a Christmas gift. Was there actually a transfer being made? Parents are probably extremely strong DemoCRAPS and only had a firearm in their house because Grampa's old .22 was forgotten and left in the attic after he took the deep six. Possible!