Hi there, No_Pair_5376,
Do you have a microfiber cloth or towel? You might be able to dry the interior by wrapping that cloth around something to push it inside and dry it.
Amazon sells something similar here, but you can make something similar at home, if you have a microfiber cloth: HOME-X Microfiber Dusting Sticks, Multi-Color Detail Dusters for Cleaning (Set of 6) 10 1/2" L https://www.amazon.com/dp/B088PV69XK/ref=cm_sw_r_cp_api_glt_fabc_1HC4DBDEMBYYEQ690YZH
It’s very likely that toy is made of TPE; so drying it thoroughly is vital if you want to use it in the future as it is porous and will harbor bacteria / mold if it’s not properly dried.
Hope this helps!
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