When she turned to the Internet, “There was nothing — no road maps, no anything,” recalls Ms. Monosoff, who lives near San Francisco and was education director for the President’s Commission on White House Fellowships for President Bill Clinton.

Fast-forward to today, and the term “mom inventors” yields about 290,000 results on Google. There is Ms. Monosoff’s own Web site, Mom Invented, which supports aspiring “mompreneurs” and licenses and sells products under the Mom Invented brand, a Good Housekeeping-like seal of approval. Other sites include the Mogul Mom, where mothers can satisfy their inner Edison by reading posts like “How Do I Get My Product in Stores?” and “Don’t Get Burned By Your Light Bulb Moment.” Not to mention the dozens and dozens of online stores, like the Busy Mom Boutique, that sell mom-made products.

What’s behind the growth in mom-generated creations? One factor is the rise of the Internet and social media, which allow child-raising women to exchange ideas without having to leave the house. Ms. Monosoff has nearly 6,000 followers on Twitter, and her Web site has a community of about 20,000 mothers, who exchange tips and offer support.

“Someone will say they’re having a problem and they can’t find a seamstress, and someone else will say, ‘I have someone who helped me,’ ” she says. “It’s instantaneous, whereas for me, I was looking in the Yellow Pages.”

Inventing is also a means of channeling energy for ambitious career women who suddenly find themselves changing diapers and searching for lost sippy cups.

“They’re engaged, they’re smart, smart women,” says Ms. Monosoff, who has two daughters, ages 8 and 10. “Whether they have a business background or not, they have their whole life experience to bring to the table. That’s what I love. They’re not constrained by business jargon or business concepts. They’re like, ‘I’m making this thing; how do I sell it?’ ”

Running Mom Invented, and writing books on inventing, is a full-time job that Ms. Monosoff fits in while her girls are at school and in bed. Her husband, Brad Kofoed, has been a supportive player in her business endeavors, she said, giving up his job as a software executive to help build the company. (This year, he went back into business development at a technology company.)

Linsay Chavez of Tucson, Ariz., quit her job as a marketing coordinator for a manufacturing company and started the Busy Mom Boutique this year. “A lot of moms need to support their families,” she says, “and while maybe they don’t have it in them to go get a full-time job, seeing as they have their kids at home, they actually get the momentum to turn ideas into reality.”

She adds: “In many households, moms are the chief buyers. And in the new millennium, if they can’t find what you need, they just invent it themselves.”

THAT was true for Ms. Monosoff, who couldn’t figure out how to stop her 8-month-old daughter from unrolling all of the toilet paper and stuffing it down the toilet. “I was like, ‘O.K., where’s the gadget?’ ” Ms. Monosoff recalls. “I was trying to figure out how to design something like that, but I really had no experience. Then I was buying shampoo at a beauty supply store, and I saw a hair permanent rod, that little roller thing, and I was like, ‘Oh my gosh, that might work!’ ”

She worked on a rough prototype of what would become the “TP Saver.” The basic concept is that a small, plastic rod — that grown-ups can lock into place — keeps the toilet paper from unspooling.

Then she found a machinist and an engineer to work out the design, brainstormed with focus groups, hired a manufacturer in China, had the product patented and safety tested and ultimately got it into 9,000 grocery stores nationwide.

Such stories are everywhere: a mom runs into a problem with her child and, unable to find a solution, invents one herself. That’s happened to Heather Allard of Providence, R.I., who before staying home with her children worked as a saleswoman and account coordinator for Estée Lauder. When her second daughter was “busting out of every swaddling blanket” while she was sleeping, she joked to her husband, “I wish I could make a little baby straitjacket.”

“I told this to other moms, and said that would be really great, ” she says After making a “primitive sketch on loose leaf,” she worked with a seamstress on a prototype and had it patented. “There was a whole lot of trial and error, and a lot of expensive mistakes,” she says. For instance, the American manufacturer she first hired was costing her $16 a product. Then she switched to a Chinese company and reduced the cost to $5.85.

In the end, she spent $50,000 to get her product to market. She recouped the cost when she sold the rights to the product, the Swaddleaze, and its follow-up, the Blankeaze — a wearable blanket with leg holes — for six figures in 2008. That same year, she started Mogul Mom.

Nowadays, she says, the landscape is much different for moms. “We’ve come so far. I think at this point, it’s never been easier to do this kind of thing,” she says, pointing to the plethora of advice Web sites, coaching programs and even crowd-funding resources that help raise seed money for products. Those developments, she says, have “coincided with the rotten economy, so a lot of moms are out of jobs, they’re at home with the kids.”

She adds: “They say necessity is the mother of invention — well, that’s the case.”

E-mail: proto@nytimes.com.

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