Introduce mass and measurement with this simple see-saw balance. The balance arm snaps into place for easy use, and calibration is easy with sliding compensator clips. Includes 10 weight-related Three Bear Family® Counters and activity guide. Size: 40 x 10cm.
As part of this special offer you also receive a pack of 96 plastic bears in 3 sizes, 3 weights and 6 colours. Size: larger bear height 3.5cm.