Initial Piagetian Tasks

Theme: Combinations
Source: (J. Piaget); date: 5/2/1977

After a half minute of poor recording in clip TIS018RA, the remainder of that clip, and the remaining three are good.

Link Embed Copy and paste this HTML code into your webpage to embed. Pre-Experiment 3mb	Link Embed Copy and paste this HTML code into your webpage to embed. The Initial Challenge 25mb
Link Embed Copy and paste this HTML code into your webpage to embed. All of them? 19mb	Link Embed Copy and paste this HTML code into your webpage to embed. More complexity 34mb