Can stimulate the left and right brain、 so that children's logical thinking will become broad; And it lets children and parents、 friends to enhance their feelings、 training children's hands-on ability; Can let the children start to imagine the free puzzle. Dimensions: 0.20 in x 0.20 in x 0.20 in (0.5 cm x 0.5 cm x 0.5 cm) Weight: 2.08 oz (59 g)