Build complex three-dimensional structures, connect the gears and set it all in motion in a spectacular chain reaction! This ingenious construction system has a plastic chain that lets you transfer movement between gears that are not connected. A great way to get to know the principles of mechanics while having fun. And it's all totally shatterproof and safe.
Content: 1 white board + 1 spin, 1 large gear, 5 medium gears, 2 small gears, 23 pillars, 20 joints, hain with 25 links, 8 red joints with 4-way connector, 9 white connector, 1 album with instructions and examples.