Listing materials include ABS (Acrylonitrile Butadiene Styrene) plastic, rubber, generic plastic, and polyester fabric.

Listed dimensions (H × W × D) include: 1 × 2 × 1.5 inches; 3 × 5 × 5 inches; 2.5 × 3 × 3 inches; 9 × 8 × 14 inches; and 9.01 × 6.1 × 0.59 inches.

The listings show a range of target ages, for example: “All Ages,” “1 year and up,” and “22 years and up.”

Care instructions: surface washable — spot clean only.

Suggested uses include school projects, dioramas, plastic animal collections, party favors or gifts, displays, and educational sets.

The listings state hermit crabs use empty snail shells or other hollow objects as shelter, move into larger shells as they grow, and may compete with other hermit crabs for suitable shells.

The music items appear in vinyl (record) and CD formats.