Teachables Vertex Balls and Rods - Set of 330Children will enjoy engaging in hands on learning activities whether working individually or in groups with this versatile Geometric Construction Set designed to support the exploration of colour, size, shape, and spatial relationships.: This set includes 250 linking rods in five lengths (5 14 cm) and colours, along with 80 vertex balls measuring 1. 7 cm in diameter, also in five colours. Students can connect rods and balls to build a variety of