Professor PuzzleBrand · Kids and babyHappy Camper Logic Puzzles$8.50 – $15Stocked at 3Hitchcock Paper Co.Occoquan, VABrand · Retailer · Stationery shop$15Ida RedTulsa, OKRetailer · Gift shop$9.99Treehouse ToysPortsmouth, NHRetailer · Toy store$8.50