A Perfect STEM Toy: Gives pupils an opportunity to use their knowledge of electric circuits and switches to build thier own traffic lights.

Let's Learn:
• Make and use simple series circuits.
• Build and reinforce structures.
• Encourage planning, observe thinking, and problem solving
• Learning Traffic-Safety knowledge 

Packaging:

1 material kit/OPP bag, 
24 OPP bags/box,
12boxes/ctn.
Box: 23*13*21cm
CTN: 48*41*45cm