Description: Our single-gate switch has good conductivity and can form various circuits, which is a very practical physical experiment tool. Our single-gate switch can cultivate interest, improve ability, and stimulate curiosity, so that children can fall in love with learning and physics. Made of high quality ABS material, this single-gate switch is eco-friendly and long term use. The length of the product is about 7.5cm, and the width is 3.5cm. Our single-gate switch is a common tool for physics experiments. Item Name: Single-gate Switch Material: ABS Size Details: 7.5cm x 3.5cm/2.95" x 1.38" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Single-gate Switch