With Hydraulic Robot Arm Kit build, command and understand the principles of a Hydraulic system! Hydraulics is a technology and applied science using engineering, chemistry, and other sciences involving the mechanical properties and use of liquids.
The T4 Transforming Solar Robot Kit not only has more transformations but also comes equipped with larger parts, meaning that your younger child does not have to be excluded from partaking in some high-quality robot fun!
With Greenex: Robotic Run Science Kit Keep your car running using the power of the sun or even your own movement. This rear wheel drive car can be set up to run using solar power or if there's no light use the hand generator and have control over the back