Electric Spark Ticker-Tape Timer Physical Experiment Teaching Supplies, Safe

Description:

Suitable for physical experiment
Made of premium iron and plastic, high quality, durable
Helpful and useful
Easy to operate, accuracy, safe
100% brand new

Specification:

Overall Size: Approx.15*6*4cm/5.91*2.36*1.57 inch
Wire Length: Approx.160cm/62.99 inch
Clamp Size: Approx.4.5*1.5*9cm/1.77*0.59*3.54 inch
Hammer Size: Approx.3.5*5cm/1.38*1.97 inch
Paper Tape Width: Approx.1.7cm/0.67 inch
Material: Iron and plastic
Color: White

Package Includes:

1 Piece Electric Spark Timer