Thomas & Friends Thomas Railroad Rewards Potty Thomas helps keep potty training on track with fun train sounds and a tune to reward every success! Three modes allow Thomas Railroad Rewards Potty to 'grow' with your child's training. First it's a potty seat with a built-in sensor that knows when to reward success with fun train sounds and music. The bowl easily removes for easy cleaning and there's a built-in splashguard for boys. When your child's ready to transition to the toilet, the potty ring removes for use on most toilet seats, and the base converts to a sturdy stepstool. Built-in potty ring handles on a seat that's just their size help toddlers feel secure on a big toilet, making the transition easier for everyone. Fun train sounds and a tune encourage and reward success. Grows with your child from potty seat to potty ring and stepstool. Bowl removes for easy cleaning. Built-in splashguard for boys. Potty ring fits most toilet seats.Sturdy stepstool holds up to 200lb.. Requires 3 x AA batteries.