>>20833817different items require different amounts of attention
you can increase it with intelligence, or just study less costly trinkets
one very early example is a dandelion, it gives ~50LP and needs 1 attention, or a ladybug which gives ~500 and needs 3
you can study multiple kinds but one of each
you also get LP for finding new items, so pick up a fruit, seed, bough or cone from every tree you find
btw post all curios available for crafting