I made sure the hold was large enough to easily get the popsicle stick in there. I used the same stickers to add colors to both ends of the popsicle sticks! We did a modified version of this activity with our 19 month old daughter Nora. I made the color pouches from construction paper and purchased the colored sticks from Lake Shore Learning.
Let them bake for 20-25 minutes, turning them 2 or 3 times while they cook. Make sure to turn your sausages at least halfway through the cook time. Doing so will ensure a thorough cook, and add a light, golden brown color to the outside of the sausage.