HOW TO MAKE A TOY PHONE
What you need: 2 plastic cups A thread roll A match stick A compass A pair of scissors Submitted by Khushant Kumar Gola
Mystic Roller- a test for Newton’s laws
Materials required: A Cylindrical Plastic Jar Rubber band A Heavy Nut Thread Wire steel or copper Pliar scissors A nail to make holes Video|Step 20 : Now we are done,…