Motorcycle

The motorcycle is a symbol of desire. While most mice live simply with nothing more than survival in their hearts, Ralph desires adventure, freedom, and excitement, all of which can be found via the motorcycle.

Wastebasket

The wastebasket is a symbol of entrapment and danger. When Ralph falls in, he is worried he might end up in the Incinerator with all the other trash.

Peanut Butter Sandwich

The peanut butter sandwich is a symbol of kindness. Keith offers to get Ralph anything he wants for breakfast, and Ralph requests a peanut butter sandwich.

Pillowcase

The pillowcase is a symbol of retribution. Immediately after breaking his promise to Keith, Ralph gets stuck in the pillowcase and nearly dies.

Helmet

The helmet is a symbol of affection. Keith makes Ralph a helmet out of half a ping-pong ball because he wants Ralph to be safe.

Chewed Sheets

The...