3 ms·

Also I wouldn't recommend buying a used set. The joints can't hold two pieces together after some time.

• beedogs 12y ago
  From what I remember as a kid, they'd develop little cracks along the facets of the connectors, which killed the friction that keeps everything stuck together.
  • jfroma 12y ago
    Exactly, these cracks are made when disassembling models, sometimes is very hard to remove the connector
    • mantis369 12y ago
      That's one thing I can say for Robotix: the pieces that move are virtually indestructible.
• Retra 12y ago
  The look like they are made out of that hard, splintery plastic.