Spit fork universal 2x4 - (745) https://www.kovo-janecek.cz/products/en-vidlice-rozne-univerzalni-2x4-745/
Tenon 14x6 for motor UMR03 - (723) https://www.kovo-janecek.cz/products/en-unaseci-pouzdro-14x6-k-motoru-umr03-723/
Motor battery - 1BAT - (1,5v) - (691) https://www.kovo-janecek.cz/products/en-motor-bateriovy-1bat-1-5v-691/