DIY Telegraph Model Electrical Circuit Science Physics Puzzle Explore

Description:

DIY assembled telegraphs receiver transmitter toy model kits set，educational science physical DIY physical experiments toy
Principle : electric energy （4*AA Batteries needed）product radio waves，receiver is connected to raise the alarm after receiving the radio
Including parallel or series circuit， physical principle and radio waves tips for kid child learning studying
Develop children's hand & eye coordination, and help children experience the theory of power, expand kids scientific & mechanical interest
Great scientific experiments lab teaching aids school supplies，Cool designed DIY scientific toy gifts for kids
Main Material: Plastic
Color：
Note：Red wire is positive pole，black wire is negative pole；yellow wire is positive pole，green wire is negative pole；long handle of light is positive pole.

Specification:

Need to be assembled by yourself: assemble the model as the pictures shown

Size Chart:

Assembled Transmitter size (L*W): Approx 9*7.5cm/ 3.54*2.95 inch

Assembled Receiver size (L*W*H): Approx 6*3.5cm/ 2.36*1.37 inch

Package Includes:

1 Set DIY Telegraphs Receiver Transmitter Toy (with assembled picture instructions)

Note:

Due to the manual measurement, please allow 1-2mm differences in size
Due to the light and screen difference, the item's color may be slightly different from the pictures. Please understand

a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a