Amazon has the Hot Wheels Monster Trucks Arena Smashers Glow-in-the-Dark Gunkster Playset for $8 with free shipping on $35+ or with Prime. Includes 1 die-cast 1:64 scale Glow-in-the-Dark Gunkster and 2 glow-in-the-dark crushable cars. Same price at Walmart  with Early Access for Walmart+ members (discounted membership options); available for everyone else 10/8 at 9AM PT.