Clothing/Shoes/Weather Gear: comfortable loose-fitting clothes - since you'll be spending all your day inside a vehicle
Toiletries and Medical Supplies: a moskito spray can be handy - Tsavo isn't exactly malaria-free.
Photo Equipment: an absolute must is a camera with a decent zoom: some animals are shy and stay kind of far from your van/jeep. On top of that vehicles mustn't leave the dirt roads.
Bring binoculars, too - for distant animals: I would have never seen the lion - if it hadn't been for binoculars
Miscellaneous: Bring some BABOON REPELLENT! You will
need it! Most of the parks have BABOONS, and they will take almost anything! Tent next
to a BOMA, or use a SLING-SHOT, or ROCKS!!
Babbons around again. Doing the JIGGI-JIGGI!!
Miscellaneous: Also, bring some VERVIT-MONKEY REPELLENT!! It might not work that well.
They are fast, small!! This guy was right above where my cook and our tents were!!
Cute but, a pain in the butt!! Worth a picture!!