Optical Science (V 2.0) and Math Toys Youngsters with a passion for

Youngsters with a passion for vehicles will enjoy building this LEGO Technic Concrete Mixer Truck 42112

Save the baby bear from the rickety old rope bridge

plus three solid-wood play figures who can ride in the front

Make a fan-driven car that drives forward

When animals are in need of veterinary care

Optical Science (V 2.0) and Math Toys Youngsters with a passion forThe Science of Light, Optics, & Visual Perception Astonish yourself with optical illusions and amazing visual phenomena as you explore the science of human perception in this fascinating kit. Experiment with light and the color spectrum by building a color wheel, a fiber optic peacock, and diffraction glasses. Learn how the eye and a camera are similar and how they are different. Build a camera obscura and pinhole glasses. Investigate lenses and light