Simple Machines Screw (Pack of 2) Brand_Kashi Go Microprocessor controlled for accurate charging

Microprocessor controlled for accurate charging

help lower household electricity costs and eliminate the need to ever replace a bulb

Children will love to find a stick and thread their chosen stones onto it exploring food

naturally sweet and mellow

Throw the ultimate celebratory event this year with the Artstyle Silver and Gold Celebration Dinner Napkins

Simple Machines Screw (Pack of 2) Brand_Kashi Go Microprocessor controlled for accurate chargingThe screw, another of the simple machines, converts a circular motion (the turning of the screw) into a linear motion. It also lets you amplify the force a great deal, since turning the screw only moves the end of the screw a small amount. This classic wooden model offers children a basic concept of the laws of physics. Desktop sized. Product Type: Simple Machines Recommended Grade: Grade 4+ Recommended Age: 9+ Years GRP: ERGO