fischertechnik Industrial Robot Building Kit

Here is a cool robot building kit that can be used to make 4 industrial robot models. The fischertechnik ROBO TX Automation Robots kit has 470 parts and an instructional activity booklet. You can use this to make a high rack storage system, a 3-axis robot or 2 grappler robots.

These sets can be combined to have even more fun assembling complex robots.

[where to get yours]