Best Developmental Toys for 4 Month Old Babies to Buy 2026

Tohibee Montessori Sensory Teether Toy

One of the Best Developmental Toys for 4 Month Old babies, designed to engage multiple senses and support early motor skills.

The TOHIBEE Montessori Sensory Teether Toy is a thoughtfully designed developmental toy aimed at babies from newborn up to around two years. It features a variety of bright colors and textured silicone balls to stimulate multiple senses, while its lightweight and compact size makes it perfect for little hands. The toy also serves as a safe teether, made from soft silicone and ABS plastic, which helps soothe gum pain during teething stages.

In everyday use, this toy performs reliably as both a sensory stimulator and a soothing teether. Its versatile features like rattling, clicking, and rotating components keep babies engaged without overwhelming them. Parents will appreciate the durable construction and the easy-to-carry design, making it a convenient companion for travel or quiet play at home.

Pros:

• Multi-sensory stimulation with bright colors and textured silicone balls
• Safe, high-quality silicone and ABS plastic materials
• Lightweight and sized perfectly for small hands
• Combines teether and developmental toy functions
• Easy to clean and carry for travel use
• Encourages grasping and reaching to develop motor skills
• Suitable for a wide age range (0-18 months and beyond)

Cons:

• Limited color option (Blue model)
• May be too small for older toddlers

My Honest Take

This toy is a solid choice for parents seeking a simple yet effective developmental toy for infants around four months old. It’s easy to introduce after birth and continues to hold interest as babies develop their sensory and motor skills. The compact size and durable materials offer peace of mind, especially when used during teething phases.

For beginners, it’s straightforward and safe, requiring no complicated setup or supervision beyond usual playtime care. One practical tip is to keep it clean by regularly washing with warm soapy water to maintain hygiene. Personally, I find the blend of sensory engagement and soothing teether function makes this toy a versatile addition to any baby’s collection.

Vanplay Baby Rattles & Teethers Set

One of the Best Developmental Toys for 4 Month Old babies, offering sensory stimulation and teething relief in one set.

The Vanplay Baby Rattles & Teethers Set includes 10 soft silicone teethers and gentle bell rattles designed for infants from 0 to 12 months. These toys help engage your baby’s senses through different textures, sounds, and shapes such as rings and animals. They promote fine motor skills and hand-eye coordination, making it a versatile choice for early development.

In everyday use, these rattles and teethers are reliable and safe, made of 100% food-grade silicone that soothes teething discomfort. The neutral colors are visually appealing without overwhelming the baby, and the set is easy to clean and store, which adds convenience for parents. The included storage box is especially handy for keeping everything organized and hygienic.

Pros:

• Variety of shapes and textures for sensory and motor skill development
• Made from safe, food-grade silicone for teething relief
• Neutral colors promote early color recognition
• Includes a storage box with carry handle for travel and home use
• Dishwasher-safe and easy to sterilize
• Suitable for newborns through 12 months
• Lightweight and easy for babies to grip

Cons:

• No individual packaging for each teether, which may affect cleanliness if separated
• Some babies might prefer toys with louder sounds or brighter colors

My Honest Take

This set is ideal for parents looking for a safe, multi-functional toy collection that supports sensory development and teething relief. It’s beginner-friendly, offering enough variety without overwhelming a baby or a busy parent. After purchase, you can expect durable materials and easy maintenance, which makes daily use straightforward. A practical tip is to rotate the toys regularly to keep your baby engaged and stimulated.

Overall, this is a solid choice for a parent who values safety, simplicity, and developmental benefits. The neutral colors and thoughtful design give peace of mind that the toys will grow with your baby’s needs.

Bright Starts Oball Easy Grasp Ball

One of the Best Developmental Toys for 4 Month Old babies, designed to promote fine motor skills and encourage active play.

The Bright Starts Oball Easy Grasp Classic Ball is a lightweight and flexible toy designed specifically for infants starting from newborn age. Its unique design with large finger holes allows babies to easily grasp, hold, and explore the ball, encouraging the development of fine motor skills. The bright colors and soft texture make it visually and tactilely appealing to little ones, providing engaging sensory stimulation.

In everyday use, this ball proves to be a reliable companion for babies learning to grip and move. Its compact 4-inch size makes it easy to take along in diaper bags or attach to strollers, making it a practical toy for both home and travel. Parents appreciate how it motivates crawling and movement, supporting gross motor development while being easy to clean and safe to use.

Pros:

• Flexible design with large holes for easy grasping
• Encourages both fine and gross motor skills development
• Compact size fits conveniently in diaper bags and strollers
• Durable and lightweight for infants to handle comfortably
• Bright, engaging colors attract baby’s attention
• BPA-free and wipes clean easily for hygiene
• Suitable for newborns and up, making it versatile

Cons:

• Limited to simple play functions compared to multi-activity toys
• May not engage older babies seeking more complex stimulation

My Practical Opinion

This toy is ideal for parents looking for a straightforward, safe, and effective developmental toy for their 4-month-old. It’s especially suited for beginners who want a simple way to encourage their baby’s grasping and crawling skills without overwhelming them. After bringing it home, you’ll find it easy to clean and carry, making it convenient for daily use or travel. A useful tip is to use it during tummy time to motivate reaching and movement, supporting early motor development. Overall, it’s a dependable and gentle introduction to play that gives peace of mind.

Bright Starts Oball Shaker Rattle

One of the Best Developmental Toys for 4 Month Old babies, offering engaging sounds and easy-to-hold design.

The Bright Starts Oball Shaker Rattle is a simple yet effective developmental toy designed for newborns and up. It features two mini flexible Oballs that are easy for little hands to grip and teeth on, combined with colorful rattle beads that create entertaining sounds. The clear textured rattle allows babies to see the beads inside, stimulating their visual and auditory senses.

In everyday use, this rattle proves reliable and easy to clean with a damp cloth. Its lightweight design ensures babies can comfortably hold and shake it without strain. Parents often appreciate how it keeps their little ones engaged with fun sounds and textures, making it a dependable choice for early developmental play.

Pros:

• Easy for small hands to hold and teeth on
• Engaging colorful beads that create fun rattling sounds
• Clear textured design stimulates visual interest
• BPA free for safety
• Simple to clean with a damp cloth
• Lightweight and portable

Cons:

• Not suitable for water immersion cleaning
• Limited to auditory and tactile stimulation only

My Practical Opinion

This rattle is ideal for parents seeking a straightforward, safe, and engaging toy for their 4-month-old. Its ease of use and simple cleaning routine make it a convenient option for busy households. While it’s great for beginners exploring sensory toys, experienced parents will appreciate the durable and thoughtful design that supports early hand-eye coordination.

One tip: keep it within easy reach during playtime to encourage grasping and shaking. The Bright Starts Oball Shaker Rattle offers peace of mind with its BPA-free materials and classic, no-frills approach. It’s a small but thoughtful addition to any baby’s toy collection.

Bright Starts Oball Easy-grasp Rattle

One of the Best Developmental Toys for 4 Month Old babies, this rattle encourages motor skills and sensory play with its easy-grasp design.

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The Bright Starts Oball Easy-Grasp Rattle is a lightweight, BPA-free infant toy designed for newborns and up. Its flexible and easy-to-hold structure helps babies develop fine motor skills and tactile senses. The rattle sound adds auditory stimulation while encouraging cause-and-effect play. Sized at 4 inches and available in teal, it fits comfortably in small hands and diaper bags, making it a versatile choice for play at home or on the go.

In everyday use, this toy proves to be reliable and simple to clean, with a sturdy design that stands up to frequent handling. Babies are drawn to its bright color and the sound it makes when shaken, which keeps them engaged and encourages movement like crawling. The Oball’s open design also makes it easy for little fingers to grasp and explore, supporting sensory and motor development consistently.

Pros:

• Easy-grasp design perfect for small hands
• Encourages fine motor and gross motor skills
• Lightweight and portable for use anywhere
• BPA-free and safe for infants
• Engages auditory senses with rattle sound
• Durable and easy to clean
• Fits easily in diaper bags and stroller attachments

Cons:

• Rattle sound may be too soft for noisy environments
• Limited color options (only teal available)

My Practical Opinion

This rattle is a solid choice for parents looking for a simple, effective developmental toy for their 4-month-old. It’s especially good for beginners who want a safe and easy-to-clean option that encourages early motor skills without overwhelming features. After buying, you’ll appreciate how well it fits into daily routines and travel bags. Just a quick wipe down keeps it ready for the next play session.

For peace of mind, it’s reassuring to know this toy has been popular for over 25 years and is BPA-free. I personally like how its lightweight design makes it easy to hand off during playtime or tummy time.

Melissa & Doug Flip Fish Soft Book

One of the Best Developmental Toys for 4 Month Old babies, this toy encourages sensory exploration and early learning.

The Melissa & Doug Flip Fish Soft Book is a multi-textured stuffed animal designed specifically for infants aged 0 to 9 months. It offers engaging sensory play with squeaking and crinkling sounds, peek-a-boo scales revealing hidden pictures, and a shatterproof baby mirror. This toy promotes early exploration and tummy time, making it a well-rounded developmental option for young babies.

In everyday use, this toy feels soft and safe, crafted from surface washable fabrics that make cleaning easy for parents. The variety of textures and interactive features consistently keep babies interested while providing comfort and stimulation. Its durable design means it holds up well through regular use, making it a reliable companion during those early months.

Pros:

• Multi-textured surfaces encourage tactile exploration
• Squeaker tail and crinkling sounds engage baby’s senses
• Includes a shatterproof baby mirror for self-recognition
• Brightly colored peek-a-boo scales reveal hidden images
• Soft and surface washable for easy cleaning
• Lightweight and portable design
• Suitable for infants from 0 to 9 months

Cons:

• Limited to younger infants; may not engage older babies as much
• Some features repeat in description, indicating limited variety
• Size may be a bit large for very small hands

My Practical Opinion

This toy is ideal for parents looking for an all-in-one sensory experience for their infant. It’s easy to introduce right away thanks to its soft materials and engaging features, making it a good fit for first-time parents or anyone new to developmental toys. Cleaning is straightforward, which adds to the everyday convenience.

One practical tip is to use it during tummy time to encourage your baby to lift their head and explore textures and sounds. Safety is well considered here, with a shatterproof mirror and soft materials, giving peace of mind while your baby explores.

Overall, it strikes a nice balance between fun and developmental support without overwhelming young infants.

Baby Einstein Glow & Discover Light Bar

One of the Best Developmental Toys for 4 Month Old babies that encourages sensory exploration and early learning.

The Baby Einstein Glow & Discover Light Bar is a multisensory activity station designed for infants starting at 3 months old. It features colorful lights, classical melodies, and animal sounds that make floor play and tummy time both fun and educational. With three engaging modes—Xylophone, Animal, and Color—it helps babies learn basic concepts like animal names, sounds, and colors in three languages.

In everyday use, this toy is reliable and easy to clean, which is important when dealing with infants. The adjustable bar can be positioned flat for tummy time or propped up for seated play, growing with your child’s abilities. It responds promptly to button presses and rattle spins, encouraging fine motor skills and cause-and-effect learning without overwhelming the baby.

Pros:

• Multisensory engagement with lights, sounds, and music.
• Teaches colors in English, Spanish, and French.
• Adjustable design suitable for tummy time and sitting up.
• Supports fine motor skills and cause-and-effect learning.
• Unisex design suitable for boys and girls.
• Compact size fits well in small play areas.

Cons:

• Requires 3 AA batteries which are not included.
• May be less engaging for older infants beyond 36 months.

My Honest Take

This toy is perfect for parents looking for a developmental option that combines learning with play for young babies. It’s straightforward to set up and easy to keep clean, which is a relief for busy caregivers. While it’s ideal for beginners who want to introduce their babies to music and language, it also offers enough variety to hold interest over several months.

One practical tip is to use the toy during both tummy time and seated play to maximize developmental benefits. The gentle lights and classical melodies provide a soothing yet stimulating environment, giving peace of mind that your baby is engaged safely. Overall, it’s a steady, reliable choice that fits well into a daily routine.