4-in-1 Refillable Maths Rolling Stamp Tool

Approximate size: 7.3 cm × 7.3 cm × 6.5 cm. Manufactured from rigid, impact-resistant plastic. Features four precision-aligned rotating wheels and an open-top ink reservoir compatible with standard dye-based stamp inks. Rollers include dual numeric dials (0–9), one operator dial (+, −, ×, ÷), and one function dial (= or blank), enabling full control over problem type and complexity. Produces sharp, smudge-resistant impressions on standard copy paper, notebooks and printed worksheets. Supplied with 1 rolling stamp and 1 ink bottle. Optimised for Key Stage 1 and 2 mathematics — supports mastery of number facts, rapid recall, and application across formal written methods and mental strategies.