This card uses the principle to superimpose decorations onto a naked Christmas tree, or a ruby-red nose onto Rudolph.ĭraw around the big circle from the template onto the front of the card and cut it out. By quickly flicking between two pictures, our brain blends them together as one. It takes advantage of our eyes’ refresh rate. When you are looking at an image and it is taken away your eyes, nerves and brain hold on to the image and you still sort of see it for a tiny fraction of a second. This card is based on the Pico in a Cage experiment from Explore Box 2: Science Sorcery and Investigate Box 2: Science up your Sleeve. They are fun to play with and interesting to experiment with, but didn’t quite fit the bill for our science kits because they didn’t require any special or unusual materials. You could make both of them right now with things you have around the house! Making an Optical Illusion Card We’re sharing the instructions to make the Rocket Card (see our previous post) and Optical Illusion cards. In the meantime, we are sharing some of our ideas for science-powered Christmas cards that didn’t make it into the final box. Our first Christmas kits will be shipped on 29th November, with plenty of time to make and hand out the cards before Christmas! You can get your hands on one of our Christmas Explore Boxes and other great rewards by backing our Kickstarter campaign here. The cards are as fun to make as they are to receive, and feature colour-changing chemistry, photochromic decorations that change colour under sunlight, a hydraulic Santa rescue system and a box of rainbows! STEM into Christmas is a science kit with a difference: each science activity results in a fun, interactive Christmas card that your child can give to their friends and family. Our Kickstarter campaign aims to launch our very first seasonal science kit. We are halfway through our Kickstarter campaign and have reached 82% of our funding goal – now that’s something to celebrate!
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