K'NEX 零件組
http://www.knex.com/shop/339/Parts-and-Extras/next/4
Micro Gray Gear W/ Lg Hole
Item #: 509851
Price: $0.23
Micro Gray Gear W/ Lg Hole
509851
Price:$0.23
Gold Metallic Gear- 1in.
91313
Price:$0.56
Red Gear 2 1/4in.
90985
Price:$0.88
White Worm Gear
90983
Price:$0.92
Yellow Gear 2 1/4 Inch
90993
Price:$1.06 - Total: $1.06
Large Yellow Gear 5 Inch
91998
