How to DIY Telescope using recycled materials? You'll need: 1. Large convex lens 2. Small convex lens 3. A cup 4. Cardboard pipe 5. White glue 6. A piece of cardboard 7. Scissors 8. Cutter 9. Duct tape (if needed) 10. Double tape (if needed) St
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by Skill Utopia
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by Lost Wax
by Gillian Bower
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