A quick look at Kansas City’s new proof-of-concept center for new and emerging tech companies, by the numbers. $2 million Approximate launch budget for Digital Sandbox KC, which helps early-stage companies prepare their product or service for the marketplace. $1 million The amount of a federal i6 grant that Digital Sandbox KC won from the U.S. Department of Commerce’s Economic Development Agency. $500,000 How much the Missouri Technology Corporation has…

Some of the city’s most innovative companies are working with Digital Sandbox KC, the proof-of-concept center that helps early-stage ventures get their product or service ready for the marketplace. Here’s a quick rundown of the participating startups. Pearl Leaves creates apps, games and eBooks to help patients remember to take their medication and stick with their daily medical regimen. Trellie has developed a Bluetooth-enabled gadget that, when hung on the outside of…