Stick the tape to the inside of the cup and the inside of the toilet roll for the best finish. It should fit quite snugly, but use 3 long pieces of tape to attach the toilet roll to the cup. Now slide the toilet roll into the hole, from the outside of the cup.We definitely recommend a parent cuts out the hole. Be very careful when cutting plastic cups, as the cup can slide around, and the knife easily slip. You want the hole to be slightly smaller than your toilet roll for a snug fit. Now cut a round hole in the bottom of the plastic cup with your craft knife.You could skip this part by using a paper cup, but your telescope want be nearly as strong. This will help the paint to stick to the plastic. The first thing you’ll want to do is scuff up your plastic cup with some light sandpaper.Paint and paintbrushes (you’ll need primer as well as a top coat).Soft coloured plastic (eg plastic binders, plastic sleeves, plastic report covers, or similar).Toilet roll or kitchen paper towel roll.But we found our kids loved helping with the sanding and taping.Īnd of course, the painting! How to make a toilet roll telescope – with optical illusion You will need Grown ups will need to do some of the cutting. From 2 years up to 9 or 10, this craft keeps little ones busy. But the illusion is cool enough to keep kids entertained for hours!Īnd this is a fun craft to do with kids. Obviously this isn’t a real telescope, and things aren’t magnified. Tighten your fists a little to block out the light, and so there’s just a small hole to look through. Now hold both hands up to one eye, and close the other. Now put your hands together so the pinky of one hand rests on the thumb and forefinger of the other. In fact, things around the edge appear to bend a little, almost as if you’re looking through a fish-eye lens.Ĭreate a telescope with you hands, like we used to when we were kids. And because you have no peripheral vision, as you move the telescope ‘lens’ around, the effect gets even better. And totally be accident, I created my own optical illusion! I discovered that looking through a small hole, held a little bit further from your eye, creates a sense of looking into the distance.Įven when objects are right in front of you, your mind perceives them as being in the distance. So, I started to experiment with a toilet roll, a plastic cup and some coloured soft plastic. In fact, the articles that tell you how to make a real telescope basically wrap 2 real lenses in a cardboard roll… Only to discover that optical telescopic lenses aren’t something you can make from junk lying around the house! I scoured the internet, as I do, for inspiration. We decided we wanted to make telescopes the other day, for a bit of pretend pirate play, argghhh. Then you can make these toilet roll telescopes – with optical illusion. But they’re so versatile for crafting, they really are worth holding on to. If your household is anything like ours, you’ll accumulate toilet rolls at an alarming rate! But before you throw out that next toilet roll, consider adding it to your kid’s crafting supplies.
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