Inner measurements, outer measurements and depth measurements ... With this vernier calliper you can measure bulky and round objects up to 30 cm. For example you can measure stones or boles. Using this aritcle inside or outside is a lot of fun for kids.
Material: synthetic material Measurements: 43 x 20 x 2 cm Age restriction:3 years
WARNING: Not suitable for children under 36 months due to small parts which may be swallowed, choking hazard!
