You can buy these records separately or in strong albums of sets of three.
It is better to buy them in complete sets for safety and convenience.
The record will last longer and be more easily found.
Why not at once purchase the six sets, even if you do not let the children have them all at once. To be able to produce them just at the appropriate moment—as a surprise—will double the pleasure of possession,
Text read from the printed page and cleaned; old type leaves the occasional error.