Stecki Original - One for Two - Box Midi. Exciting and creative toys for young and old. This set contains various round Stecki building blocks in different colours. With the brightly coloured mounting discs, both simple and very complex shapes can be made. Children quickly learn to put together fun structures. In this way, fine motor skills, spatial thinking and imagination are stimulated and promoted. Specifications: Supplied in a handy storage box. Diameter per disc: 26 mm Weight: 170 grams Age: 3+ Contents: Various Stecki building blocks. Storage box.