Gear them up for science & get the cogs of their brain working! A fun & educational gift for children the Make Your Own Clock Kit comprises 31 plastic pieces for them to assemble to make a brightly coloured mechanical clock. With pictorial instructions it's easy to build & the box is printed with information about the workings of the spring gears pendulum & bell. Once complete it has a swinging pendulum & shiny bell that strikes every quarter of an hour. Perfect to display in a bedroom.19.5cm dia. For ages 6 years & over.