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AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
August 1, 2025
366456
105225
2

Tertiary circular reactions (dec 2, 0 – jun 1, 1)

Description:

12-18 months
- actively explore properties of objects through novel actions

Added to timeline:

8 Jul 2018
0
0
541

Date:

dec 2, 0
jun 1, 1
~ 6 months