T Shape Kaleidoscope 23 cm
The kaleidoscope makes magic with light and mirrors. It may be considered a child’s toy (or a toy for all ages), but it is also a simple optical device with technical applications for designers and pattern-makers. Greek words are the source of the name; it comes from kalos, eidos, and skopios meaning beautiful, form, and view, respectively
5 in stock
Rattleback is a semi elliptical object that spins on it’s axis in one preferred direction due to an offset centre of gravity. If spun in the opposite direction it will rock due to instability,stop and then reverse direction. Tapping one end of the Rattleback will cause it to spin in the preferred direction. NOTE : the rattleback must be spun whilst resting on the curved face, not the flat face.
Keep your room interesting or reduce stress with this dynamic desk lamp with swimming jellyfish and colour changing LEDs.
Watch the lifelike jellyfish models swim and float around quietly, creating a beautiful ambiance. This desktop jellyfish lamp is ideal for your desktop, children's room, living room and practically any other room in your house.
For thousands of years man has been fascinated by prismatic effects. Now you can hold the power to this wonderful mystery right in your hands. The Right Angle Prism unleashes a rainbow of colours from pure white light. Imagine performing the same experiment Sir Issac Newton did over 300 years ago while he was making the first prism discoveries. Discover for yourself the wonderful secrets of prismatic effects…even make a periscope with the Right Angle prism….and more. Comes with instructions.
Size 22 cm L
The body of the kaleidoscope has two main parts, the viewing tube (with an eyepiece at one end) and the object box or case at the opposite end of the tube. The object box is a thin, flat box made of two glass disks and a band circling the edges and holding the disks and the objects enclosed. Those objects are fragments of colored glass, beads, tinsel, or other reflective materials.