Bumba Kiekeboe is suitable for the little ones and grows with them. The game can be played in three stages depending on the child's age and development. Play Bumba Peekaboo by covering Bumba. Every seven seconds, he makes giggling sounds. When you remove the tent from Bumba, he calls out: Peekaboo! Want to make it harder? Cover Bumba and place a tent next to him.