High-quality weight with a hook fitted through the center allow you to hook weights together in tandem or use them one at a time.
Pass-through hooks are included on both sides of the weight!
Command robotic creations with this cool construction kit!
Build your very own smart robot!
A cool kit that helps you build your very own robotic arm!
Build over 60 projects with this deluxe version of the Snap Rover kit!
Learn about hydrogen fuel cells with this incredible kit!
Learn all about the science of light, optics and visual perception with this wonderful kit!