Optical Science cf-type-puppets Then go hang on the

Then go hang on the beach and have a cold drink in the shade of the umbrella or build a sand castle

This refill pack allows for added play and can replace any darts that may get lost

Rebuilds into a cool propeller plane or twin-rotor hovercraft

Wood Mancala in Tin

Its soft body allows it to take on the same positions as a real baby

Optical Science cf-type-puppets Then go hang on theAstonish yourself with optical illusions and amazing visual phenomena as you explore human perception and the physics of light. 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 refraction. Experiment with spatial vision and depth perception