And here"s a frog jumping

Starting from 2-3 years, stickers very much like children. Sticking is just such a simple and affordable case, which is perfect for the child of this age.
All is well, but the main problem of books with stickers - time and price. The price is usually more expensive than the usual book of the same format two times, and the time spent on its study at least two times less. That is, expensive and just 5 minutes! Sadly...
Books with stickers from the "for the most-youngest" solves these contradictions.
Democratically for the price and cannot be done in 5 minutes. It is necessary to reflect and figure out (and in some places to listen to the story and think over it) and only then proceed to sticking