Amazon has Estes Tandem-X Launch Set (Amazon and Crossfire ISX) for $31.99. Shipping is free with Prime or on $35+ orders.

Walmart also has Estes Tandem-X Launch Set (Amazon and Crossfire ISX) for $31.99. Shipping is free w/ Walmart+ (free 30-day trial) or on orders of $35+.

Hobby Lobby also has Estes Tandem-X Launch Set (Amazon and Crossfire ISX) on sale for $24.99. Shipping is $8.95 or free on $50+ orders.

Includes:

• 2x Rockets
• 1x Launch Pad
• 1x Launch Controller

Features:

• Designed with plastic fins, the beginner rocket Amazon stands at 30 inches tall and can be built in an hour.
• Crossfire ISX, on the other hand, is an Intermediate-level rocket that features a totally streamlined shape with aerodynamic fins and nose cone.
• Both bullets of this Estes Tandem-X Launch Set take off from the sturdy Porta-Pad II Launch Pad by push button command from the Electron Beam controller.