Shabtis are figurines intended to carry out agricultural tasks of their owner in the Other World. These usually glazed amulets appeared in the New Kingdom but became only popular in the Late Period1. Some are drilled vertically for attachment2
Brown glaze flat back H 5.3, W 1.3, D 0.7

Brown glaze flat back
H 5.3, W 1.3, D 0.7
© 2021 Musée du Louvre/Christian Décamps #AF 13933

Blue glaze flat back H 4.8, W 1.3, D 1.1

Blue glaze flat back
H 4.8, W 1.3, D 1.1
© 2021 Musée du Louvre/
Christian Décamps #E 13605

Green/blue glaze H 6.4, W 2.3, D 1.2

Green/blue glaze
H 6.4, W 2.3, D 1.2
© 2021 Musée du Louvre/
Christian Décamps
#AF 13961

References

1Andrews C. Amulets of Ancient Egypt, 1994, p. 99 and Fig. 92e
2See https://www.ushabtis.com/