Colorful hourglasses, are perfect tools for introducing the concept of time. By providing a visual indication of the remaining time, they help create a deeper perception of time. These hourglasses are easy to handle and practical, making them useful and convenient in learning environments.
(30 sek: Red, 1 min: Green, 2 min: Pink, 3 min: Yellow, 5 min: Drak Blue, 10 min: Orange, 15 min: Purple, 20 min: Light Blue, 30 min: Brown)
Mått: 16 x 8 cm
Material: ABS, Sand