... ABS materialPieces inside6 color small balls, 4 balls per color, 24 in total, diameter 3cm;6 color plastic sticks, 6 per color, 36 in total ... mainly pictures for kids reference)Brief Introduction: 1. Structure Smart Balls is a kind of perfect assembling and inserting toy for ... models. 2. This product has 38 plastic sticks and 24 color balls(orange, purple, red, yellow, blue, green). 3. It also ...