Pattern #8003 in Passap Children’s Patterns Book
Pattern is on pages 7-8 of the book with patterns in it.

Striped, colour-blocked, dropped shoulder pullover with ribbed cuffs and collar. Picture is in colours usually worn by girls, but with different colours could be unisex.

Can be knit with a standard gauge knitting machine + ribber (or hand-manipulate and/or hand knit the ribbing).

Schematic makes it easy to adjust as necessary for desired size and gauge.

Pattern calls for 340 g of yarn (120g turquoise, 80g anthracite, 100g red, 40g fuschia).