4.9/5.0 (18,500+ Proud Parents)

Loondie StepUp™ Seat

The safer, easier way to use the ‘big kid’ toilet.
StepUp Seat Blue.
StepUp Seat Pink.
Close up on the Pink Step Up Seat by Loondie.
Infographic showcasing elements and design of a blue potty training toilet seat for kids.
Child standing on an anti-slip step of a potty training toilet seat.
Woman holding a pink potty training StepUp Seat.
Hand unfolding the potty training seat for kids.
A high quality potty training chair for kids, made from ABS plastic.
Close up on the PVC cushion included in the potty training Loondie StepUp Seat package.
Close up on a screw that regulates height on the Loondie Step Up potty training Seat.
Hands pointing on a Velcro located on the bottom of the cushion that goes onto the Loondie StepUp Seat, a potty training toilet seat for kids.
Yellow handles on the Blue Loondie StepUp Seat.
Woman's hand interacting with the Loondie StepUp Seat by adjusting the height of the bottom ladder.
Close up on a non-slip bottom ladder of the Loondie StepUp potty training Seat.
Secure ladders of the toilet seat for kids, made by Loondie.
Loondie StepUp Seat Pink designed for helping kids potty train on a real toilet.
All pieces and parts of the Loondie StepUp Seat.
Loondie StepUp Seat dimensions.

4.8/5.0 (18,500+ Proud Parents)

Loondie StepUp™ Seat

The safer, easier way to use the ‘big kid’ toilet.

Our foldable toilet training seat helps toddlers climb up and sit securely on a regular toilet—no wobbles, no fear, and no more slipping around.

Title

Built-in toddler-sized seat for comfort and confidence

Foldable design for quick storage and easy setup

Non-slip steps and stabilizing feet for extra safety

Fits most standard toilet bowls securely and snugly
Title
Color
Quantity
$64.97
$89.97

Fast shipping to United States

1-Year

Warranty

Free Shipping Over $50

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90-Day Progress Guarantee

If you don’t feel you’ve made progress in 90 days, we’ll happily refund you.

Frequently Asked 
Questions

What age is the Loondie StepUp™ Seat designed for?

It’s made for toddlers aged 3 years and up—perfect for little ones starting their potty training journey and learning to use the big toilet independently.

Will it fit my toilet?

Yes! The StepUp™ Seat is fully adjustable and fits all standard toilet bowls, including round and elongated shapes. It has 6 height levels, so you can customize the fit for both your toilet and your child’s comfort.

Is it safe and stable?

Absolutely. With anti-slip feet, a wide step, gripping side handles, and a built-in backrest, the StepUp™ Seat gives your child the support and security they need to climb up and sit down confidently—no wobbling or tipping.

What’s it made of?

It’s built from non-toxic, BPA-free PP/PU/PVC materials that are durable, sturdy, and completely safe for daily toddler use.

Is it easy to clean?

Yes! The surface is smooth and mess-resistant. Just wipe it down with cleaning spray and water to keep things hygienic.

How big is it? Will it take up space?

The StepUp™ Seat measures 13.4" x 13.4" x 17.3" (34cm x 34cm x 44cm) and folds flat for easy storage. It’s light and compact enough to tuck behind a door or carry to grandma’s.

Can I take it when traveling?

Yes! It’s foldable, portable, and quick to reassemble, making it ideal for vacations, hotel stays, or visits to family. No need to retrain with a new setup every time you leave the house.

Still have questions?

From diapers to dry – with love, not stress.

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