Making a periscope, a rainbow, a sound cannon, and musical instruments can be both fun and educational as children explore the properties of light and sound.
Making a periscope, a rainbow, a sound cannon, and musical instruments can be both fun and educational as children explore the properties of light and...
With projects ranging from building a basic battery-connected circuit to a do-it-yourself burglar alarm, this hands-on science book will help children get to grips with electricity and magnetism.
With projects ranging from building a basic battery-connected circuit to a do-it-yourself burglar alarm, this hands-on science book will help children...