Walmart has the Aqueon 21" LED Accent Light / Bubble Wand for Fishtanks (100106238) on clearance for $5.84 with free shipping with Walmart+ (30-day trial) or on $35+. Colors automatically rotate on LED lights. Bubbling can be powered by air pumps (sold separately). 

• The Coralife SL-65 Super Luft Air Pump is on clearance for $24 as well.