# pY science pack 4

Pyanodons item · internal name `py-science-pack-4` · stack size 200 · first craftable in tier 7 (Production science pack, [tier 7](https://factorio.kalzumeus.com/tier/7.md))
HTML page: https://factorio.kalzumeus.com/item/py-science-pack-4/

## Produced by (2 recipes)

### pY science pack 4 (`py-science-pack-4`)

- 15 s · tier 7 · productivity modules allowed
- Ingredients: 20 × [Moss](https://factorio.kalzumeus.com/item/moss.md), 1 × [Perfect samples](https://factorio.kalzumeus.com/item/perfect-samples.md), 1 × [Non conductive phazogen](https://factorio.kalzumeus.com/item/nonconductive-phazogen.md), 2 × [Negasium](https://factorio.kalzumeus.com/item/negasium.md), 1 × [Zinc finger fusion proteins](https://factorio.kalzumeus.com/item/zinc-finger-proteins.md), 10 × [Vonix eggs](https://factorio.kalzumeus.com/item/vonix-eggs.md), 50 × [Flavonoids](https://factorio.kalzumeus.com/fluid/flavonoids.md), 10 × [Biopolymer](https://factorio.kalzumeus.com/item/biopolymer.md), 1 × [Glassware](https://factorio.kalzumeus.com/item/flask.md), 10 × [Super alloy](https://factorio.kalzumeus.com/item/super-alloy.md), 1 × [Nanozymes](https://factorio.kalzumeus.com/item/nanozymes.md), 1 × [Mechanical Parts 03](https://factorio.kalzumeus.com/item/mechanical-parts-03.md)
- Results: 3 × [pY science pack 4](https://factorio.kalzumeus.com/item/py-science-pack-4.md)
- Made in: Research center MK 01, Research center MK 02, Research center MK 03, Research center MK 04
- Unlocked by: [pY science pack](https://factorio.kalzumeus.com/tech/py-science-pack-4.md)

### pY science pack 4 (`py-science-pack-4-turd`)

- 15 s · tier ? · productivity modules allowed
- Ingredients: 20 × [Moss](https://factorio.kalzumeus.com/item/moss.md), 1 × [Perfect samples](https://factorio.kalzumeus.com/item/perfect-samples.md), 1 × [Non conductive phazogen](https://factorio.kalzumeus.com/item/nonconductive-phazogen.md), 2 × [Negasium](https://factorio.kalzumeus.com/item/negasium.md), 1 × [Zinc finger fusion proteins](https://factorio.kalzumeus.com/item/zinc-finger-proteins.md), 10 × [Vonix eggs](https://factorio.kalzumeus.com/item/vonix-eggs.md), 50 × [Flavonoids](https://factorio.kalzumeus.com/fluid/flavonoids.md), 10 × [Biopolymer](https://factorio.kalzumeus.com/item/biopolymer.md), 1 × [Glassware](https://factorio.kalzumeus.com/item/flask.md), 10 × [Super alloy](https://factorio.kalzumeus.com/item/super-alloy.md), 1 × [Nanozymes](https://factorio.kalzumeus.com/item/nanozymes.md), 1 × [Mechanical Parts 03](https://factorio.kalzumeus.com/item/mechanical-parts-03.md), 100 × [Mova Pulp 3](https://factorio.kalzumeus.com/fluid/mova-pulp3.md)
- Results: 4 × [pY science pack 4](https://factorio.kalzumeus.com/item/py-science-pack-4.md)
- Made in: Research center MK 01, Research center MK 02, Research center MK 03, Research center MK 04
- Unlocked by an upgrade choice (script), not research

## Used in (1 recipes)

- Bat DNA samples (`earth-bat-sample`, tier 8) → [Bat DNA samples](https://factorio.kalzumeus.com/item/earth-bat-sample.md)