Bibi, Bernhard, and Barbara Blocksberg are busy with their own things and are getting in each other's way in the living room. This leads to an argument. Bibi defiantly decides to move into her treehouse. Although everyone soon misses each other, no one takes the first step towards reconciliation. Can Grandma Grete help? Cassettes and CDs are a thing of the past. The tigercards are the new medium for audio plays, audiobooks, and songs for children: scratch-resistant and interference-free at a low price. The operation is child’s play: just insert the tigercard and the tigerbox Touch automatically plays the title. And the best part: once paired, the tigercards can also be used offline - for maximum listening fun on the go. The beautiful design and sturdy material make the tigercards a popular collectible for all audio play fans aged 2 to 12.