追蹤精靈

追蹤精靈是一隻會跟隨白紙上之黑線行走之精靈．追蹤精靈之眼睛是一個光學感應器，可發出及接收紅外線．由於白色可反射紅外線，追蹤精靈可分別黑白兩色．

• Power Source/9V Battery 1 pc, AA Battery 2 pcs
• Electrical Current Consumption / Electronic Circuit / Approx.20mA Mechanical Circuit / Approx.320mA
• Hight/Approx.97mm
• Length/Approx.157mm
• Width/Approx.143mm