Non stick Sellotape.
Solar Powered Flash Light.
A black highlighter pen.
Glow in the dark sunglasses.
Inflatable Anchor.
Smooth Sandpaper.
Waterproof sponge.
Waterproof teabags.
AC adapter for solar powered calculators.
Fireproof matches.
Fireproof cigarettes.
Battery powered battery charger.
Seat belts for motorbikes.
Hand powered chainsaw.
Inflatable dartboard.
Silent alarm clock.
A pedal powered wheelchair.
Braille drivers manual.
Double sided playing cards.
Ejector seats for Helicopters.
Next Joke: So many pedestrians