Opitech

this JCB truck is made from a dozen syringes and saline tubes. such trucks are used for moving earth. join two syringes with tube filled with water. by pushing one syringe other gets pushed too. now...

medical technology is producing of junk. with two syringes you can make a very beautiful pump. you need a fat syringe and a thin syringe. now remove the plunger from the big syringe and then remove...

this simple animation toy can be made in no time and it will give you hours of fun. you need a bicycle spoke, a paper cup, a bird and a cage and other simple materials. take a bicycle spoke and stick...

>>Hans, George: Come on Rupi...drill...don't be shy...be strong! >>Rupert: I can't find the hole! #!@*§ ! This one doesn't work....

Take about 80 gr of white soap base and put it in a glass. Take about 20 gr of vegetable butter coconut and put it in a glass, too. Then cliff bain-marie or melt in microwave. Put it in a silicone...