Learning Designs have patterns that fade when wet to help your child learn to stay dry. They feature the Disney and Disney/Pixar characters for both boys and girls, just like big kid underwear.
2T-3T: 68 pants (18 - 34 lbs)
3T - 4T: 62 pants (32 - 40 lbs)
4T - 5T: 52 pants (38 - 50 lbs)