OBJECTS

Balls
(specifically balls that are small or have a smooth outer coating)

 Jewelry

Batteries

 Wax

Bread twist ties

 Towels

Buttons

 Hair pins

Coins

 Glass

Cotton swabs

 String, yarn, or dental floss

Nylons

Paper clips

Rubber-bands

Sharp objects
(knives, razors, scissors, nails, needles, etc.)

Plastic wrap

Socks