Tenka Labs raises another $2M to get its kids’ LEGO engineering kits in retailers

Tenka Labs co-founder John Schuster is no stranger to walking friends through building gadgets using Arduino, an open-source hardware controller — except they might be great software engineers, but not understand the actual circuitry. But Tenka Labs, which builds simple kits that help young students create small gadgets with the use of motors and other bits that connect to legos, is looking to