$20 + pickupSHOP NOW
Posted 19 hr 25 min ago
Walmart offers the K'NEX Typhoon Frenzy Roller Coaster Building Set , model no. 51438, for $19.97. Opt for in-store pickup to dodge the $4.97 shipping fee. That's the lowest price we could find by $20. This 649-piece set features a motorized chain lift and 19-foot track. It requires two AA batteries (not included).