Hourglass Set 20 pcs., 9 cm high, 2.5 cm ø, in a box

This sand timer set comes in a practical transparent plastic box for mobile use in the school. This can make different periods of time visible to pupils. The set contains 4 hourglasses each for 30 seconds (black) 1 (blue), 3 (yellow), 5 (green) and 10 (red) minutes. The sand in the sand timer is in the same colour as the cap on the end, making it easy to recognise.

Sand timer set 20 pcs. in case

Dimensions: approx. 9 cm tall, 2.5 cm diameter

Dimensions case: 29.5 (L) x 20.5 cm (D) x 6.5 cm (H)

• makes time visible
• coloured sand, in the same colours as the end caps
• 4 hourglasses for each 30 secs, 1, 3, 5 and 10 minutes