April 21, 2014January 24, 2022 - EducationMake your own tin can pinhole planetarium (page 2 of 5) Page 1 / Page 2 / Page 3 / Page 4 / Page 5 (Article continued from previous post) Step 2 . Step 2 continued… Step 2: Wrap aluminium foil around one end of the tin. This creates a light tight seal. Step 3 Step 3: Secure aluminium foil with a rubber band. Go to next page —>