Here's an ad for Deluxe Reading's Jimmy Jet. It's a page from a 1966 Spiegel Christmas catalog. Here, the 'Jimmy Jet' sold for $9.98, the 'Super Helmet Seven' for $2.98, and the swivel seat for $5.98. Or you could buy the complete outfit for $18.77, saving a whopping $0.17! Can't beat a deal like that!!