giver vores matematiksæt den nøjagtighed og effektivitet

Expand your heart-warming collection with the Alien Translucent Version in your Toy Story collection

allowing you to create for hours without discomfort

Internal Cells: 18650 LiFePO4

busy fingers tactile ruler 4Investigations giver vores matematiksæt den nøjagtighedDo you have students who just can t sit still at their desks, or who tell you that they can never concentrate on their homework? They need a Busy Fingers Tactile Ruler! Our unique ruler is perfect for use both in the classroom and at home. Both practical and socially acceptable in a school setting children will benefit from the sensory input the ruler provides.