描述
By: Klutz | Age: 8-12 | English | 32 pages + Props & Tool | Paperback | 20.8 x 5.6 x 29.7 cm
A new take on the classic volcano science project. Connect together the electronics which use ultrasonic technology to turn water vapour into misty clouds that billow from a glowing volcano model. Learn about Volcanology as well at circuitry and ultrasonic sound waves.