ToysmithPacific, WABrand · Retailer · Toy store2-In-1 Invisible Writing Pen$12.95 – $12.99Stocked at 3Grandrabbit's Toy ShoppeBoulder, CORetailer · Toy store$12.99HucklebearyDuluth, MNRetailer · Stationery shop$12.95Into The Wind KitesBoulder, CORetailer · Hobby shop$12.95