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.
Educational material, Children's / Teenage: General interest
Age: From 7 to 9 years
Paperback
David Glover, Diego Vaisberg
32 pages
H: 236mm W: 216mm Spine: 3mm
Weight: 140 grams