Rainbow Koosh Ball – Original Soft Rubber Sensory Toy

★★★★★4.8· loved by thousands

Our Rainbow Koosh Ball brings back the tactile magic that made Koosh a household name in the late ’80s. This multi-color version features over 2,000 natural rubber filaments radiating from a soft core, creating a sphere that’s as mesmerizing to look at as it is satisfying to squeeze.

Over 2,000 natural rubber filaments in rainbow gradientSoft core diameter: 3 inches / 7.6 cmWeighs just 1.4 oz – safe for indoor tossingNon-toxic rubber, phthalate-free and latex-free
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Rainbow Koosh Ball product image
Rainbow Koosh Ball product image
Rainbow Koosh Ball product image
Rainbow Koosh Ball product image
Rainbow Koosh Ball product image
Rainbow Koosh Ball product image
1
Over 2,000 natural rubber filaments in rainbow gradient
Designed to hold up to real daily wear.
2
Soft core diameter
3 inches / 7.6 cm
3
Weighs just 1.4 oz – safe for indoor tossing
Designed to hold up to real daily wear.
4
Non-toxic rubber, phthalate-free and latex-free
Designed to hold up to real daily wear.
Why it works
Rainbow gradient design & construction

We handpick every color in the rainbow koosh ball gradient to ensure smooth transitions from warm to cool tones. Each rubber strand is dipped in a sequence that creates natural color blending – no two balls are identical, but every one hits the same seven-hue spectrum.

Rainbow gradient design & construction
Sensory benefits & fidget use
The details

Sensory benefits & fidget use

Tactile stimulation

The Rainbow Koosh Ball’s 2,000-plus filaments create micro-sensations across your palm with every squeeze. Occupational therapists often recommend Koosh balls for proprioceptive input – the gentle resistance helps kids and adults self-regulate during focus tasks or moments of high energy.

Silent fidgeting

Unlike clickers or spinners, our Koosh ball is whisper-quiet. You can squeeze, roll, or toss it during meetings, study sessions, or phone calls without disturbing anyone nearby. The soft rubber absorbs impact, so even if you drop it on a hard floor, there’s no loud bounce.

Size, weight & portability
The details

Size, weight & portability

At three inches in diameter, the Rainbow Koosh Ball fits comfortably in adult and child hands alike. We intentionally kept the weight under 1.5 ounces so younger kids can grip and toss it without fatigue, and the lightweight build makes it safe for indoor use – you won’t knock over lamps or dent walls during a living-room game of catch.

The compressed size when you squeeze the ball down is roughly two inches, small enough to stash in a backpack side pocket, glove compartment, or desk drawer. We’ve had teachers tell us they keep a bin of rainbow Koosh balls in the classroom for brain breaks – students can grab one, squeeze for a minute, then return it without disrupting the flow of the lesson.

The specs

What makes it special

Over 2,000 natural rubber filaments in rainbow gradientYes
Soft core diameter3 inches / 7.6 cm
Weighs just 1.4 oz – safe for indoor tossingYes
Non-toxic rubber, phthalate-free and latex-freeYes
Hand-tied construction for lasting durabilityYes
Suitable for ages 3 and upYes

Complete the look

More classic Koosh styles


Customer reviews

Customer reviews

4.8
★★★★★
Verified reviews
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★★★★★
Perfect desk fidget
I keep this rainbow koosh ball next to my keyboard and reach for it during video calls. The colors are cheerful and the squeeze is so satisfying. It’s held up perfectly after three months of daily use.
M
Marcus T.
Verified buyer
★★★★★
My toddler loves it
We bought the rainbow version for our two-year-old and it’s been a hit. She can actually grip it, and when she throws it at her brother it doesn’t hurt. The colors help her learn color names too.
P
Priya K.
Verified buyer
★★★★★
Soft and durable
I was worried the strands would start falling out, but after a month of squeezing this thing nonstop, it still looks brand new. The rubber is really soft and doesn’t have any chemical smell.
E
Elliot R.
Verified buyer
★★★★☆
Great for sensory breaks
My son has ADHD and his OT recommended a Koosh ball. The rainbow one is his favorite because he can sort the colors with his fingers while he squeezes. Wish it came in a two-pack so I could keep one at school.
A
Angela M.
Verified buyer
★★★★★
Nostalgic and fun
I had a Koosh ball as a kid in the ’90s and wanted my daughter to experience the same joy. The rainbow colors are even more vibrant than I remember. We play catch in the living room and it’s become our bedtime routine.
D
David L.
Verified buyer
★★★★★
Classroom favorite
I’m a third-grade teacher and I bought six of these for brain break bins. Kids love the rainbow one the most – there’s actually a waiting list to use it during silent reading time. Washes clean easily.
H
Hannah W.
Verified buyer

Good to know

Rainbow Koosh Ball questions

We recommend the Rainbow Koosh Ball for ages three and up. The natural rubber strands are non-toxic and securely tied, but younger toddlers who are still mouthing toys should be supervised. The ball contains no small detachable parts that pose a choking hazard.

For children under three, consider our larger six-inch giant Koosh ball, which is easier for small hands to grasp and too large to fit entirely in the mouth.

Rinse the ball under cool tap water to remove surface dust, or place it in a mesh laundry bag and machine wash on a gentle cycle with cold water and mild detergent. Air-dry on a towel away from direct sunlight. Avoid fabric softener, which can leave a film on the rubber strands.

Our dyes are tested to ASTM standards and resist fading during normal indoor use. Prolonged direct sunlight or repeated exposure to chlorinated pool water can gradually lighten the colors, so we recommend storing your rainbow koosh ball indoors when not in use. Most customers report vibrant color retention after months of daily play.

Yes. We use natural rubber that is processed to remove latex proteins, making the Rainbow Koosh Ball safe for most individuals with latex sensitivities. The rubber is also phthalate-free and meets all US and EU toy safety standards.

Absolutely. The Rainbow Koosh Ball floats and can be used in bathtubs, pools, or at the beach. After water play, shake off excess moisture and let the ball air-dry on a towel. The natural rubber dries quickly and won’t develop mold or mildew if stored in a well-ventilated spot.

The ball measures three inches in diameter when resting, and compresses to roughly two inches when you squeeze it. It weighs 1.4 ounces, light enough for young children to toss and catch comfortably.

Our hand-tied construction keeps strands secure even after thousands of squeezes. Occasionally a strand may loosen if the ball is aggressively pulled or chewed, but normal play and fidgeting will not cause shedding. If you do notice a loose strand, simply trim it flush with scissors – the remaining strands will hold firm.

Discover every Koosh ball style
From mini keychains to giant six-inch versions, find the perfect Koosh for play, focus, or display