Amazon offers Prime members the SKLZ Pro Mini Glow-in-the-Dark Basketball Hoop for $20.49 $17.76 with free shipping. That's the lowest price we could find by about $5. It features a breakway rim, shatter-resistant 18" x 12" backboard, and includes a glow-in-the-dark basketball.

A close price: Walmart has it for $20.98 $18.19 with free in-store pickup.

Want a larger size? Amazon has it in XL measuring 23" x 16" for $21.55 with free Prime shipping. That's the lowest price we could find by $6.