How to DIY elementary school students from waste to treasure handmade method illustrated

The materials needed include an unused glass jar or wide-mouth bottle, a small piece of tinfoil?

Making steps:

1, the tinfoil cut into just the size of the glass jar, in the back of the tinfoil with a pen to draw the constellations of the dot matrix

2, and then use an awl or a sharp needle in accordance with the constellations of the dot matrix in the tinfoil poked out a small hole?

3, the tinfoil rolled a bit, the two ends with transparent tape, made of a tinfoil cylinder engraved with the constellations on the top?

4, the tinfoil cylinder carefully into a glass jar or wide-mouth jar, and then put in a small LED wall lamp with button batteries. If there is no led wall lamp, you can try to open a mouth from the bottom of the jar, and then in the glass bottle cap on the small candle, with tinfoil with the bottom of the glass jar inverted cover to the bottle cap, also made into a starry sky candle lamp

5, turn on the power supply, the bottle cover, a waste of handmade starry sky lamps on the completion of the.

Required materials: scrap iron cans (cans, powdered milk cans, paint buckets, etc.), nails, hammer, computer with a printer

Making tutorials:

1, through the computer with a printer to download the following drawings, and in accordance with the actual perimeter of the side of the scrap iron cans used in the scaling and printing of the drawings.

2, put the printed drawing around the side of the scrap iron can, with glue.

3, use a nail to poke holes in the surface of the scrap metal can with a regular pattern according to the black dots marked on the drawing.

4, hole punched, tear off the drawing on the tin can. Light a candle inside at night for a special starry night light.

Alternatively, waste cardboard boxes can also be made into starry sky lamps, the practice is the same