Size 160 x 70mm.;Timing - 1 Minute. COLOUR CODING - GREEN.;Robust giant sand timer, perfect for use in games & timing experiments.;Mega sand timer with moulded end caps & thick wall surround.;Fun, educational, eyecatching, engaging maths & science resource.

• 1 Minute Sand Timer Green 16 cm

1 Minute Sand Timer Green 16 cmtink n stink