The Summer Infant Step-By-Step Potty is a 3-stage complete potty training system. The potty starts as a stand alone, and as your little one grows it transitions to a toilet topper training seat, and then to a step stool. With a built in lid, a compartment for disposable wipes, and a toilet paper holder, the Step-By-Step Potty helps you teach and reinforce important hygiene habits during every step of the potty training process. 3-STAGE POTTY: The Summer Step by Step toddler toilet and stepstool is a complete 3-stage potty-training system. Designed to grow with your child, it makes transitioning to an adult toilet easier. STAGE 1: Use the Step by Step Potty as a stand-alone potty. It includes a soft contoured seat for added comfort. STAGE 2: When its time to transition to an adult toilet, simply snap off the toilet topper from the potty and place it securely onto a standard toilet. STAGE 3: For added convenience, the base of the Step by Step Potty transitions into a stepstool allowing your toddler to reach either the toilet or bathroom sink to promote good hand-washing habits. ADDITIONAL FEATURES: The Step by Step Potty training toilet includes a flushable wipes holder and toilet tissue dispenser for added convenience. Recommended for 18M+ to 5Y Stage 1:Use the Step-By-Step Potty as a stand alone potty. It includes a soft contoured seat for added comfort. Stage 2:Simply snap off the toilet topper from the potty and place it securely onto a standard toilet to transition the Step-By-Step Potty into a toilet topper training seat. Stage 3:The base of the Step-By-Step Potty transitions into a step stool that can be used at the sink, or anywhere in the home. Teach Hygiene HabitsThe Step-By-Step Potty includes a pull out toilet paper holder and lid to let your little one practice important hygiene habits. A flushable wipe dispenser fits wipes 5.5 x 7 inches in size.