Image Item No. Description  4171  Electric, Train Light Prism 1 x 3 Catalog: Parts: Electric, Train  4170  Electric, Train Light Prism 1 x 6 Holder Catalog: Parts: Electric, Train  bb0012vb  Electric, Train Motor 12V with Wheels Type II with 3 Round Contact Holes Catalog: Parts: Electric, Train  bb0012vc  Electric, Train Motor 12V with Wheels Type III with 3 Slotted Contact Holes Catalog: Parts: Electric, Train