A spinning motor
A clicking telegraph
A light flashing generator
A real radio
Step-by-step 3D directions and the use of everyday materials brings clarity to how-things-work.
The full color illustrations present central scientific concepts which allow children to discover the "why" as well as the "how".
40 page full color book and materials included.
For ages 8 & up.
Warning: Choking Harzard - small parts Not for children under 3 years