Show your students how you feel about their accomplishments when you use this multi-disc, multi-message stamper. Pre-inked device provides super-smooth stamping action. Compact, high-impact plastic design is as sleek as it is durable. Inkpad cartridge can be easily replaced. Stamp Type: Message; Message(s): Light Bulb; A+, Check Mark, Lady Bug; Smiley Face, Star, Thumb''s Up, "Great Job," "Good Work," "Way to Go"; Ink Types: Pre-Inked; Re-Inkable; Self-Inking; Number of Lines: N/A.