If you purchased too many seeds this growing season, don't toss the leftovers. Make sure they are thoroughly dry, seal them in a ziplock bag, and put them in the freezer to keep them fresh for next year's plantings.
Seed and Plant Spacing Rule = Takes the guess work out of seed spacing. Amazingly handy rule with seed sowing holes, metric and imperial graduations, plus printed vegetable spacing guide. Precision machined from beech wood.