BACK WITH ANOTHER EDITION OF SCIENCE WITH SWAIM. >> WELCOME TO SCIENCE WITH SWAIM. WILL HE BE MAKING -- WE WILL BE MAKING A SELF INFLATABLE BALLOON. WE NEED VINEGAR, AN EMPTY BOTTLE, BAKING SODA, A ...
Scissors Have your local dollar store fill your balloons with helium and tie them off with a black ribbon. Cut four 120-centimetre lengths of black tulle and set them aside. Wrap each piece of black ...
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