What are these marble like objects?

twopenny

I think they are too clear for slug,snail eggs.
More likely to be the gel balls used in some modern products. Children throwing them, confused birds dropping them.
The eggs are opaque. I've bred snails before. It's fascinating.

Grenage

twopenny said:

I think they are too clear for slug,snail eggs.
More likely to be the gel balls used in some modern products. Children throwing them, confused birds dropping them.
The eggs are opaque. I've bred snails before. It's fascinating.

Aye; for contrast here are slug eggs (screw you, slugs!):

ashe

Surely it’s these 

sisn 50,000 Pieces Water Beads, Colorful Gel Soil Beads Mixed Water Balls Silicone Orbs For Plant Vase Filler Arts DIY Crafts Decoration https://www.amazon.co.uk/dp/B088NFLQY8/ref=cm_sw_r_cp_api_glt_fabc_1HR7B3VNCES9C1P89CCA?_encoding=UTF8&psc=1