1, homemade colored candles: find a canned beverage barrel, cut off the lid, cut the wax into the barrel, put the barrel in hot water, stir the wax inside and melt it. First, put the thread used as the candle core into a container, then pour the molten liquid into a container with beautiful shape, let the original wax cool, and then pour the molten colored crayon liquid into it, so that different colors of wax can be added layer by layer.

2. Self-made badminton: cut off the top half of the empty beverage bottle, divide the cut part into eight parts, cut each part into petal shapes with scissors, cover the bottle with a foam net, fix it at the bottle mouth with a rubber band, then wrap a glass marble with another foam net, stuff it into the bottle mouth, plug it tightly to expose about 1cm, and cut off half a table tennis ball.

3. Self-made coin jar: cut the cardboard into a rectangle with a length of 10 cm and a width of 5.5 cm, and cut a small mouth with a length of 2.5 cm and a width of 1 cm in the middle of the rectangle with a circumference of 3.5 cm in the rest of the rectangle. Cut a rectangle with a length of 32 cm and a width of 6 cm from the plastic sheet and divide it into 6 cm, 10 cm, 6 cm. In the second part, a rectangle with a length of 10 cm and a width of 8 cm is extended from left to right, and the other three parts are left with proper adhesive surfaces to make a coin jar.