A toilet seat with a built-in toddler seat can make potty training simpler by keeping the child-size seat attached and ready to use. The key is choosing a model that fits your toilet shape, feels secure for adults and children, and has features that suit your routine. These five options include elongated and round designs, with differences in materials, cleaning access, and how the toddler seat stays out of the way.
Table of Contents
Quick Comparison
| Toilet seat | Toilet shape | Notable features | Best for |
|---|---|---|---|
| Mayfair Little2Big Built-In Toddler Seat | Elongated | Plastic, slow-close lid, Stay-Tite hinges | A straightforward family seat |
| Jool Baby Quick Flip Toilet Seat | Elongated | Magnetic seat, splash guard, slow-close components | Families prioritizing mess control |
| Mayfair NextStep2 Built-In Potty Seat | Elongated | Wood, removable child seat, quick-release design | Those who want easier seat removal for cleaning |
| Mayfair Little2Big Built-In Toddler Seat, Round | Round | Plastic, slow-close lid, Stay-Tite hinges | Round-bowl toilets |
| Mayfair NextStep2 Built-In Potty Seat, Round | Round | Wood, removable child seat, quick-release design | Round-bowl toilets and flexible cleaning |
Our Picks: Best Toilet Seat With Built In Toddler Seat reviews
Mayfair Little2Big: A Simple Elongated Family Seat
The Little2Big is a plastic toilet seat designed to serve adults and young children on an elongated toilet. Its toddler seat is built into the lid area, so it can be lifted into place for a child and moved out of the way for adult use. That integrated design avoids storing a separate potty insert in the bathroom.
A slow-close lid helps reduce slamming, while Stay-Tite hinges are designed to keep the seat secure on the bowl. The seat is made in the USA and measures 19 inches long by 14.13 inches wide. Installation is described as a quick process, and owners commonly find the straightforward setup and easy-to-wipe surface useful for day-to-day potty training.
Its main trade-off is that the child seat is not described as removable, unlike the NextStep2 models. It is also an elongated-only option, so check your bowl shape before ordering. For a family seeking a simple, practical design without extra mechanisms, this is a strong place to start.
Pros:
- Built-in toddler seat saves storage space
- Slow-close lid helps limit noise and slamming
- Stay-Tite hinges are designed to resist shifting
- Plastic surface is easy to wipe clean
Cons:
- Fits elongated toilets only
- Toddler seat is not listed as removable
Verdict: Choose the Little2Big if you have an elongated toilet and want a no-fuss built-in toddler seat with a slow-close lid.
Jool Baby Quick Flip: Extra Help With Potty-Time Mess
The Jool Baby Quick Flip is an elongated seat with a built-in potty seat and a splash guard. Its magnetic feature holds the toddler seat up and out of the way for adults, and children can flip it down when they need it. The guard is designed to help reduce splashes, a useful detail for families working through early potty training.
The lid, adult seat, and child seat each have a slow-close mechanism. Slip-resistant bumpers beneath the seat are intended to help limit movement on the bowl. Another helpful difference is that the potty seat can be removed, allowing the main seat to remain in use after a child outgrows the smaller seat. The manufacturer describes installation as a five-to-ten-minute task and says it is compatible with most toilets, but you should still confirm the shape and fit.
This model has more features than the basic Little2Big, particularly the splash guard and removable child seat. The extra parts may not matter to every household, and its listed dimensions are 16 inches long by 15 inches wide, so compare the fit details with your toilet before buying.
Pros:
- Built-in splash guard is designed to help reduce mess
- Magnetic feature keeps the child seat up for adult use
- Slow-close action applies to the lid and both seats
- Removable potty seat can be taken off after potty training
Cons:
- Listed as an elongated model, so it is not the right choice for a round bowl
- Has more components than a basic built-in-seat design
Verdict: The Quick Flip is a good fit for elongated toilets when splash control, a magnetic seat, and the option to remove the child seat are priorities.
Mayfair NextStep2: Removable Child Seat for Elongated Toilets
The elongated NextStep2 combines a wood adult seat with a built-in plastic potty seat. A magnet holds the child seat tucked into the lid during adult use, keeping it close at hand without leaving it on the adult seat. Its slow-close design is meant to reduce slamming, and the Stay-Tite hinge system is designed to help the seat stay in place.
Compared with the Little2Big, this model adds a quick-release design for removing the seat during cleaning. The child seat can also be removed when potty training is complete. Those features give it more flexibility over time, though the wood construction makes it a different choice from the all-plastic Little2Big models.
It measures 19.25 inches long by 14.13 inches wide and is listed for standard elongated toilets. Owners often value the stable feel and simple installation, but accurate toilet measurements still matter: a seat that is the wrong shape or size can be uncomfortable or fit poorly.
Pros:
- Magnet keeps the toddler seat tucked away for adults
- Quick-release design helps with thorough cleaning
- Child seat can be removed after potty training
- Wood construction and slow-close action
Cons:
- Fits elongated toilets only
- Wood may not suit shoppers who prefer a fully plastic seat
Verdict: Pick the elongated NextStep2 if you want a wood seat with a tucked-away, removable child seat and easier access for cleaning.
Mayfair Little2Big Round: A Plastic Option for Round Bowls
This Little2Big model has the same family-friendly concept as the elongated version, but it is made for round toilets. Its plastic toddler seat folds into the lid area when it is not needed, while the main seat remains available for adults. The built-in arrangement can help keep a separate potty chair or insert out of the way.
The seat has a slow-close lid and Stay-Tite hinges intended to keep it secure on the bowl. It measures 16.95 inches long by 14.38 inches wide. The product details identify it as the round version, so use the toilet’s bowl shape and measurements—not just the brand or toilet model—to confirm compatibility.
Like the elongated Little2Big, this model keeps the feature set simple. The child seat is not listed as removable, so it may be less adaptable than the NextStep2 or Jool Baby options once your child no longer needs it. Its straightforward design and easy-to-clean plastic surface may suit families who want an uncomplicated round-bowl solution.
Pros:
- Designed for round toilets
- Built-in child seat reduces the need for separate storage
- Slow-close lid helps reduce slamming
- Stay-Tite hinges are designed to limit shifting
Cons:
- Not intended for elongated bowls
- Toddler seat is not listed as removable
Verdict: Choose this Little2Big model if your toilet is round and you want a simple plastic seat with an integrated toddler seat.
Mayfair NextStep2 Round: A Removable Seat for Round Toilets
This NextStep2 is the round-bowl counterpart to the elongated model. It pairs a wood adult seat with a built-in child seat that stays magnetically tucked into the lid when adults use the toilet. The child seat is removable, giving you the option to take it off when it is no longer needed.
A slow-close design helps keep the seat from slamming, while the Stay-Tite hinges are intended to prevent shifting. Its quick-release feature makes it easier to remove the seat for cleaning around the bowl. It measures 17.29 inches long by 14.38 inches wide and is listed for standard round toilets.
The round NextStep2 offers more flexibility than the round Little2Big if you want to remove the child seat later or take the full seat off for cleaning. The wood construction and extra release features are the main distinctions; if you prefer a basic plastic seat, the Little2Big may be a better match.
Pros:
- Designed for round toilets
- Magnetic child seat stays tucked away for adult use
- Child seat can be removed after potty training
- Quick-release design helps with cleaning
Cons:
- Not suitable for elongated toilets
- Wood construction may not be your preferred material
Verdict: The round NextStep2 is a strong choice if you want a removable toddler seat, quick-release cleaning access, and a wood adult seat for a round toilet.
How to Choose a Toilet Seat With a Built-In Toddler Seat
Match the seat to your toilet shape
Start by checking whether your toilet has a round or elongated bowl. These seats are not interchangeable, and a mismatch can lead to poor fit or discomfort. Measure your existing seat or toilet bowl and compare those measurements with the product details. The options here include both shapes, but each model is designed for a specific one.
Think about how the child seat moves and stores
Built-in seats can lift or flip into the lid area so adults can use the toilet without a separate insert sitting on the bowl. Some designs use a magnet to hold the toddler seat up; others describe the seat as secured in the lid. If your child will operate the seat, consider which movement seems easiest for them to manage.
Decide whether you want to remove the toddler seat later
Some families are happy with a fixed child seat that stays part of the toilet seat. Others may prefer one that can be removed after potty training. The Mayfair NextStep2 models and Jool Baby Quick Flip list a removable child seat, while the Little2Big models do not. A removable design may offer more flexibility as your household’s needs change.
Consider cleaning access and materials
Accidents are a normal part of potty training, so look for a surface and design that fit your cleaning routine. The plastic Little2Big seats are described as easy to clean. The NextStep2 models and Jool Baby seat offer ways to remove either the child seat or the full seat, which can provide better access to areas around the bowl. Compare plastic and wood based on the feel and upkeep you prefer.
Look at stability and closing features
A toilet seat that shifts can feel uncomfortable for both adults and children. Stay-Tite hinges on the Mayfair models and slip-resistant bumpers on the Jool Baby model are designed to help limit movement. Slow-close features can also reduce lid noise and slamming. Check which parts have this feature: the Jool Baby listing specifies slow-close action for the lid and both seats.
Match the feature set to your household
A simple integrated seat may be all you need if your main goal is to avoid storing a separate potty insert. A splash guard, magnetic hold, removable child seat, or quick-release mount may be worth considering if those features address a specific need in your home. More features are not automatically better; focus on the details you are likely to use.
Frequently Asked Questions
How do I know whether I need a round or elongated model?
Check the shape of your current toilet seat and measure the bowl before ordering. The products in this guide are listed for either round or elongated toilets, and the two shapes are not interchangeable. When in doubt, compare your measurements with the product dimensions and fit information.
Can adults use a toilet seat with a built-in toddler seat?
Yes. These are designed as family seats. The child-size section moves out of the way for adult use, either by lifting it into the lid area or by using a magnetic feature, depending on the model.
Are the toddler seats removable?
Some are. The Jool Baby Quick Flip and Mayfair NextStep2 models list removable child seats. The Little2Big models are described as built-in seats but do not list a removable child seat.
Do these models close slowly?
Each product listed here includes a slow-close feature. The Jool Baby model specifies slow-close action on the lid, adult seat, and potty seat. The Mayfair models describe a slow-close lid.
Will a built-in toddler seat fit every toilet?
No. Fit depends on the bowl shape and measurements. Some models are made for elongated toilets and others for round toilets. Even when a product says it fits standard toilets of a particular shape, measure your bowl and confirm the listed dimensions before buying.
Can a built-in toddler seat replace a separate potty chair?
It can reduce the need for a separate potty chair or insert, which may save bathroom space. Whether it works for your child depends on their comfort and ability to use the toilet. A separate potty chair may still suit children who are not ready to climb onto a standard toilet.
Final Recommendation
For an elongated toilet and a simple all-in-one design, the Mayfair Little2Big is a practical starting point. Choose the Jool Baby Quick Flip if you want a splash guard, magnetic hold, and removable child seat. For a round toilet, compare the Little2Big for a straightforward plastic option with the NextStep2 if a removable child seat and quick-release cleaning access matter more. Confirm your toilet shape and measurements before making your choice.
