测试和训练手眼的协调性及电流的导电特性。5
块接线板；1 个钢制迷宫架；1 个大底座；1 个
小底座；2 根红色电线；2 根黑色电线；1 个手柄；
1 个蜂鸣器。
Testing and trainning hand-eye coordination and current conduction characteristics. • Terminal block: 5 pieces • Steel Labyrinth Rack: 1Piece • Large base: 1 Piece• Small base: 1 Piece• Red wire: 2 Piece• Black wire: 2Piece • Handle: 1 Piece• Buzzer: 1Piece
