If you've had little luck with giving your young toddler regular crayons, even the fat ones- these just might do the trick. They're easy for those little hands to grasp and still have a pointed tip.
They're all natural, vegetable-based crayons, making them even more appealing if your toddler has tried to put crayons in his or her mouth before. And they even stack on top of each other so there's an extra few minutes of play you can get out of them. Available here