This bonus from Bingo Knights cannot be claimed in your country.
For sure you'll enjoy these instead:

50 free spins offered by Bingo Knights
This bonus is valid for existing players.
Wagering requirements: 5X Wagering.
Games allowed: Keno, Slots.
Expiration date: 23/06/2019.
The bonus requires a minimum deposit of $50.The bonus is valid for the following games: Caesars Empire
Wagering requirements: 5X Wagering.
Games allowed: Keno, Slots.
Expiration date: 23/06/2019.
The bonus requires a minimum deposit of $50.The bonus is valid for the following games: Caesars Empire
code: CAESAR230
GET THIS BONUS NOW!
*This offer has expired!

Netent, Novomatic, NoLimit City, Play n Go and 34 more.

1Spin4Win, 4ThePlayer, Amatic, Bang Bang Games and 34 more.

1x2 Gaming, Amatic, August Gaming, Belatra and 62 more.

Slotland Entertainment, Ela Games, EvoPlay, Felix Gaming and 13 more.

1spin4win, 3 Oaks Gaming, 4ThePlayer, Apparat Gaming and 32 more.

BGaming, Spinomenal, Mascot Gaming, Belatra and 52 more.

Netent, BluePrint Gaming, Evolution Gaming, Pragmatic Play and 35 more.

Novomatic, Tada, BluePrint Gaming, Pragmatic Play and 24 more.

RTG, SpinLogic Gaming.

Betsoft, Rival, VIG, Felix Gaming and 7 more.