Brand new goods "Electronic Block" is almost ready for sell. Easy to manage, durable, fit for classroom teaching and personal entertainment, over forty parts which can makes tens or hundreds of circuits, 20 typical circuits are given along with the goods, software to go with (in the future) to simulate real circuit, and optional teacher displayer can be accompanied for big class presentation. Components are protected by the shell, and connection between blocks is reliable and durable for they're connected by cables. The special JoinMax Base can be turned to any part because you can put a certain component inside! Goods are good while price is low. Will appeal to you and your friends. Have a try?