Nice invention. It would be interesting to know if this product is market-based. Of course the poorest families can be supported with a subsidy but when you say "People want one" does that mean that people are willing to pay? And if so, what % of the Hippo rollers sold were paid for by families?
Published by henk holtslag, Free lance - Advisor Low cost technologies
Nice invention. It would be interesting to know if this product is market-based. Of course the poorest families can be supported with a subsidy but when you say "People want one" does that mean that people are willing to pay? And if so, what % of the Hippo rollers sold were paid for by families?