Double Concave Optical round Lens, Material: Glass, designed for physics and educational uses, Because of their educational use design, there may be minor imperfections that do not affect physical function, Size: 150mm focal length, 50mm diameter and 5.5mm thick
Double Convex round Lens, Material: Glass, designed for physics and educational uses, Because of their educational use design, there may be minor imperfections that do not affect physical function, for educational use, Size: 100mm focal length, 2in diameter and 16.5mm thick
Botley* Coding Robot Activity Set, Engage and inspire young learners in STEM with our next generation of coding robot, 100% screen-free, Engages children as young as 5 years in a basic form of coding utilising step coding and logic, Early programming skills