Grandpa Cher broke the table. Luntik ran to Korney Korneevich for tools. But Sher and Luntik nothing worked. The main thing is not the tools, and skilled hands.
Kuzya and Luntik wanted to show the caterpillars that they can make adult affair - because the caterpillars were laughing about what they can make trouble, but to improve its adults only.