SO here are some codes i found

ngexplorer-1000 gems

FRIENDSHIP-500 gems

tigris-500 gems

ganges-500 gems

zambezi-500 gems

chimbu-500 gems

nile-500 gems

drawing-500 gems

Alphas-500 gems

bemybuddy-500 gems

shadows-500 gems

explorer-100 gems

ajbday3-animal jam 3rd birthday cake

10million-10 million banner

expired promo codes

ngkidsrox-1000 gems

discovery-1000 gems

HOOOT-500 gems

kangaroo-500 gems

koala-500 gems

dolphin-500 gems

AJHQ3000-500 gems

birthdaybash-unlocks a birthday cake