Where is the spider? Is it on the table? Is it under the box? Where is it? Is it in the box?
Prepositions grammar and games (Gramática y juegos sobre las preposiciones)
https://learnenglishkids.britishcouncil.org/grammar-vocabulary/grammar-practice/prepositions-place
Songs about prepositions (Canciones sobre las preposiciones)
https://www.youtube.com/watch?v=ftLIV92ovgk (Steve and MAggie)
https://www.youtube.com/watch?v=3VwQrnA6dkY