9 Best Baby Bath Toys: Tested, Ranked & Parent-Approved

No bath toy list would be complete without the humble rubber duck. Though the market has been flooded with high-tech alternatives, the simple rubber duck continues to serve a genuine developmental purpose for babies and toddlers. The soft, squeezable material is perfectly sized for small hands working on their grip, and the bright yellow color is one of the first high-contrast hues that young babies can distinguish clearly.

When shopping for rubber ducks, look specifically for "no-hole" or "sealed" varieties. Traditional rubber ducks with a small hole in the bottom can harbor mold inside the hollow body — a health concern for babies who love putting toys in their mouths. Several reputable baby brands now offer sealed rubber ducks that eliminate this issue entirely.

Sets of small, squeezable animal characters that squirt water are a bathtime staple for a very good reason: they provide immediate, satisfying cause-and-effect feedback that babies and toddlers find endlessly entertaining. Squeeze the frog, water shoots out. Fill the octopus, squeeze again. The repeated action builds hand strength and grip, and the playful designs — typically featuring sea creatures or jungle animals — spark imaginative play in older toddlers.

As with rubber ducks, mold is the main concern with hollow squirt toys. Look for sets that are either fully sealed, or clean them after every few uses by squeezing out all the water and allowing them to dry completely. Some parents add a small amount of vinegar to the bath water to help prevent mold growth.

Stacking cups are one of those deceptively simple toys that pack a huge developmental punch. In the bath, they become pouring vessels — a child fills a large cup, then pours it into a smaller one, learning about volume, overflow, and the physics of liquid in an intuitive hands-on way. Outside the tub, they nest and stack, building spatial reasoning and early math foundations.

Look for sets that include a range of sizes (ideally 6–10 cups), with holes or perforations in the bottoms to prevent water from being trapped and to create waterfall-like effects. Brightly colored, numbered sets give you extra learning value as toddlers begin to associate numbers with size and sequence.

Introducing babies to books early builds a foundation for language, literacy, and the habit of reading — and a waterproof bath book makes that perfectly easy to do during bath time. The best versions feature high-contrast black and white imagery on one side for newborns whose color vision is still developing, and rich, colorful illustrations on the other for babies aged 3 months and up who are beginning to track color and shape.

Soft, crinkle-able pages offer additional tactile and auditory stimulation, and because the pages are designed to be chewed and soaked, parents don't have to stress about the inevitable mouthing. These books often include a small mirror page, squeakers, or a built-in teether for added sensory value.

Foam bath letters and numbers are a perennial toddler favorite for a reason — they stick to wet tile walls, they float, they can be arranged into words or sums, and they turn an ordinary bath into an impromptu classroom. For toddlers aged 18 months and up who are starting to recognize letters and numbers, these are an exceptional low-pressure way to introduce literacy and numeracy concepts in a playful, zero-pressure context.

Look for sets that include both uppercase and lowercase letters, plus numbers 0–9, for maximum versatility. Premium sets add colors, shapes, or even animal silhouettes. The foam is soft, waterproof, and easy to clean — just rinse and dry, and they'll last for years.

A waterfall bath toy station typically mounts to the side of the tub with suction cups and features a series of funnels, cups, wheels, and channels that water flows through when poured in from the top. The result is a cascade of moving water that can occupy even the most restless toddler for a full bath and well beyond. For younger babies, simply watching the water flow is visually mesmerizing and provides excellent tracking practice as their eyes follow the movement.

These stations are particularly valuable for water-resistant toddlers — the fascination with the water mechanism is often enough to make bath time something they actually look forward to rather than resist. Look for designs with multiple flow paths and spinning wheels for maximum engagement.

A temperature-sensing bath duck is one of those products that every new parent eventually wishes they'd bought sooner. These clever toys float in the bath water and display the current water temperature digitally or via a color-change indicator — typically turning from green to red when the water exceeds the safe limit for babies (around 37–38°C / 98–100°F). For newborns and young infants who cannot regulate their own temperature, this simple tool adds a meaningful layer of confidence to bath time.

Many versions are also fully functional rubber ducks that babies enjoy playing with, making them a practical two-in-one purchase. Look for models with a clear, easy-to-read digital display and a loud color-change warning system rather than a subtle shift in duck color that can be hard to see in poor lighting.