$6.68 Penn-Plax Spongebob Squarepants Officially Licensed Aquarium Ornament – Spongebob’s Pineapple House – Medium
$20.99 Uniclife Aquarium Volcano Ornament Decoration with LED Light Air Bubbler Stone Kit, Air Pump Not Included
$11.99 MUNLIT 2 PCS Stackable Aquarium Decoration Rock Caves, Betta Fish Hideout House, Fish Tank Accessories Cave, Hideaway for Shrimp Cichlid Cave Hiding Breeding Spawning
$18.99 PINVNBY Aquarium Resin Castle Decoration Fish Tank Driftwood Castle Cave Hideouts House Plants Supplies Accessories(Purple)