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The original Pop It concept was created by toy designers Theo and Ora Coster, who work under the name Theora Design. FoxMind later licensed the design and developed it for commercial release. The invention and the commercial launch are separate parts of the story, and keeping them apart is the simplest way to read claims about who “made” the toy.
Who the designers are
Theo and Ora Coster are married toy designers, and Theora Design is the name associated with their work. Reporting attributes the original concept to both of them, not to FoxMind, a retailer, or the viral trend that later made the toy famous. A 2026 interview with their son, Boaz Coster, supports the family attribution. In that interview he describes the design, under the name Last Mouse Lost (Pop It), as the work of his parents, licensed to FoxMind.
When the design was created
Reporting places the original concept in the 1970s. One account gives 1975 as the prototype year. That is the most frequently cited date, but it is a reported year rather than a date fixed by a dated design record from that period, and no patent-based date has been established. Treat 1975 as the reported prototype year, not as the exact day the idea took shape.
Who did what
Four parties appear in the record, and each has a different role. The table separates them so that the designers are not confused with the company that later sold the toy.
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| Party | Role in the story | What the available sources support | Source |
|---|---|---|---|
| Theo and Ora Coster | Original designers | Concept and design, placed in the 1970s; 1975 given as the prototype year in one account | Jewish Telegraphic Agency report, 2021; 2026 interview with Boaz Coster |
| Theora Design | Design studio associated with the Costers | Credited as the design source alongside FoxMind in the company catalog | FoxMind catalog |
| FoxMind | Licensee and commercial developer | Licensed and developed the design; its catalog names Go Pop! as an original game | FoxMind catalog |
| Boaz Coster | Family source | Describes Last Mouse Lost (Pop It) as designed by his parents and licensed to FoxMind | 2026 interview |
From licence to shelves
The design was not an immediate mass-market hit. Its commercial path ran through FoxMind, which took the Costers’ concept, developed it for release, and sold it as Go Pop!. Because the licence came after the design, the release date of the commercial product should never be read as the invention date. The same caution applies to the later viral popularity, which came much later still.
Invention and viral success are separate stories
The original idea predates the toy’s viral popularity by decades. Reporting describes the later boom and the renewed visibility the toy gained, but the designers’ own account focuses on how the toy is played, not on its fame. Any figure for sales or online views should be checked against its original publisher and year before it is repeated.
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The play idea Ora Coster described
Ora Coster’s explanation of the design centres on a simple, reversible, single-piece format. In the Jewish Telegraphic Agency’s 2021 report she is quoted describing the play:
“The trick in this game is that you can play it again as soon as the contest ends: you simply turn it upside down.”
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2-Pack Pop Fidget Sensory Toys, Round and Square Silicone Set
- TWO SHAPES IN ONE SET: Includes 2 silicone pop fidget toys—one round and one square—so users can choose a shape or share the set.
- REUSABLE SILICONE DESIGN: Flexible silicone construction is made for repeated pressing, bending, squeezing and everyday sensory play.
- SIMPLE BUBBLE-POPPING GAME: Take turns pressing bubbles in a row; the player who presses the last bubble loses, or use each toy for open-ended fidgeting.
- EASY TO CLEAN: Rinse after use or place in the dishwasher as needed; the washable, reusable design is convenient for regular play.
- FOR KIDS AND ADULTS: A hands-on activity for family game time, quiet breaks or gifting to friends and children
The quotation explains how the toy is played. It does not establish the date of the design or its legal status.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Pop It, Go Pop! and Last Mouse Lost
“Pop It” is both a product name and a general label for many pressable silicone toys. The name Go Pop! is the one FoxMind’s catalog uses for its original game, and the 2026 interview uses Last Mouse Lost (Pop It) for the same design. Generic listings may use “Pop It” without any link to the Costers or to FoxMind. That does not make them unlicensed or unsafe; it means the link to the original cannot be assumed from the name alone.
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- Pop fidget toy can not only relieve stress, but also serve as a small game for party friends;This multi-purpose silicone squeeze toy is the perfect game for parents, seniors, children and adults toys. Have fun anytime, anywhere with this awesome sensory tool;These fidget toys great for kids birthday party favors, carnival prizes, pinata fillers, christmas stocking stuffers, Christmas giveaways, goodie bag fillers, miniature novelty toys.
When you are checking a product, look at these points:
- Named original: check the packaging or listing for FoxMind, Go Pop!, or a Theora Design credit.
- Shape and size: compare the dimensions the seller states, since generic copies vary.
- Material and durability: treat these as the seller’s claims unless a manufacturer states them directly.
- Format: a single-piece pop toy and a game with rules are different products; Go Pop! is described by FoxMind as a game.
- Age guidance: follow the age label on the specific listing.
Appearance alone does not tell you whether a toy is safe, licensed, or linked to the original designers. The toy is marketed for sensory or tactile play. None of the sources reviewed establish any therapeutic or clinical benefit, so it should not be described as treatment for any condition.
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- Keep Baby Occupied for Hours: It’s hard to keep the babies occupied for a while, but this LiKee bubble toy can help. When they push all the bubbles through to one side, they will turn it over and start again, hours passed but they may didn’t realize it.
- Spark the Brain Sense: Push and bounce, “Pop, Pop, Pop” sounds very fun for babies, encouraging fine motor skills, tactile stimulation, sensory exploration, cause-and-effect learning.
- Easy to Carry: It is lightweight and portable, you can put it in your bag and take it anywhere, keep toddlers busy and quiet on car trips, church, party, or shopping.
- Use with Confidence: Made of ABS plastic and safe silicone, it’s sturdy and hard to break through. Thick and large enough to prevent accidental swallow. The edges are round and smooth without burrs, it won’t hurt your babies’ hands.
What remains uncertain
- The exact date of the Costers’ first sketch or prototype is not established. The 1975 date is a reported year, and no contemporaneous dated record has been publicly identified.
- The exact dates of the FoxMind licence, manufacturing, and retail launch are not stated in the available reporting.
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
