Features: 1) 16 long bars + 24 short bars + 14 balls + 4 half balls 2) Sizes: a) Long bar: 5 inches b) Short bar: 3 inches c) Ball: 2 inches 3) Four colors: red, yellow, blue, green 4) Magnetic power can build many kinds of structure by your mind 5) The product is an interesting kids' toy, which is safe for children to play. The product can train children's space thought ability 6) Connected by magnetic power, it is interesting and attractive 7) The toy can be built into many kinds of structure by your mind