Nidalee is the goddess of toplane! In this build i show you a build which is mainly concentrated on cougar and not on her human form. This build is extremly tanky with the normal atmog but deals "tons of dmg". With that build you jump on carries and kill them in seconds. Afterwards you focus on offtanks and rape them nearly as fast as carries.

The items you can see on top how the main build should look like. But if you get ganked hard and your farm is denied you can build Dorans Blade(s). I Highly recommend the Wriggle Atmog since it gives awesome defense and dmg. If you want you can build the sheen before but then your a bit longer squishy and cant stay in fights long time. After Atmog you can decide between like every item. There i recommend Force of Nature, Wit's End or Hextech Gunblade but you can build anything you want - just as you feel like.

Flash and Ghost are the best Summoner Spells for Nidalee, i think. But you could pick every Summoner Spell, too.
Those i don't recommend :
Revive, Smite, Surge, Promote, Clairvoyance, Clarity
The rest you can pick if you feel like.
I recommend Cleanse or Quicksilversash if you need them against high CC.

Since Nidalee has two forms she is probably the most individual champion. You can do like everything on her. Thanks to Cougars Pounce and Nidalee's passive you can escape enemies easily or chase them down.

You can easily farm with Nidalee since she has a strong heal which grants a nice attack speed.
At level 6 you can turn into Cougar form and with pounce and swipe you nearly kill the caster minions of a wave. Afterwards you can go for their lasthits and finish a whole minion wave in no time.

Pros:
- Great heal which gives attack speed buff
- Traps which you can lay in bushes and allover the map who show enemies a long time
- Strong spear which can kill enemies on long range
- Cougar has no mana costs which scores nice farm and harass abilities
- Her passive grants nice chase and escape abilities
- and alot more pros you can find out

Cons:
- Heal has high mana costs and you should ask your jungler for blue
- Weak early levels if you have a strong counter.
- Your spear is very weak in the early lvls and you shouldn't waste your mana on. Base your
mana on traps and heal

I hope you enjoyed the Guide and it helps you. I play on EU West if you want to ask questions just add me or write me a PM on Mobafire.
With that build you can even carry a game if you do well.