Amazon offers its Prime members the Aquarius 5-Gallon Fish Aquarium Kit, model no. Aq15005, for $23.20 with free shipping. (Non-members can spend $35 to qualify for free shipping; otherwise, shipping adds $7.79.) That's $2 under our June mention the lowest total price we could find by $11. Features include LED lighting with three variations, internal power filter, and acrylic construction.