$61.50
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.
Out of stock
$82.00 Original price was: $82.00.$74.95Current price is: $74.95.