Geomag Masterbox Large Geomag is an ingenious yet simple construction system with magnetic rods and steel balls, with which you can create an infinite number of figures and three-dimensional constructions. This super fun toy stimulates spatial insight, it develops the construction knob and encourages creativity and logical thinking. Specifications: Color: black, silver Gender: junior, unisex Material: plastic, steel Dimensions: 31 x 26 x 5 cm (L x W x H) Weight: 2500 grams Age from: 3 years Contents: 144 Rods 104 Balls