RecycleView

from kivy.app import App
from kivy.lang import Builder
from kivy.uix.button import Button

items = [
    {"color":(1, 1, 1, 1), "font_size": "20sp", "text": "white",     "input_data": ["some","random","data"]},
    {"color":(.5,1, 1, 1), "font_size": "30sp", "text": "lightblue", "input_data": [1,6,3]},
    {"color":(.5,.5,1, 1), "font_size": "40sp", "text": "blue",      "input_data": [64,16,9]},
    {"color":(.5,.5,.5,1), "font_size": "70sp", "text": "gray",      "input_data": [8766,13,6]},
    {"color":(1,.5,.5, 1), "font_size": "60sp", "text": "orange",    "input_data": [9,4,6]},
    {"color":(1, 1,.5, 1), "font_size": "50sp", "text": "yellow",    "input_data": [852,958,123]}
]

class MyButton(Button):

    def print_data(self,data):
        print(data)

KV = '''

<MyButton>:
    on_release:
        root.print_data(self.input_data)

RecycleView:
    data: []
    viewclass: 'MyButton'
    RecycleBoxLayout:
        default_size_hint: 1, None
        orientation: 'vertical'

'''

class Test(App):
    def build(self):
        root = Builder.load_string(KV)
        root.data = [item for item in items]
        return root

Test().run()