ESTES 663 Mini Mod™Rocket-Building Kit, Advanced Flying-Rocket-Model Kit for Ages 10+

The Mini Mod™ model rocket is the ultimate customizable STEM rocket kit for beginners. Designed with flexibility in mind, the Mini Mod features six different ways to build and fly, thanks to two interchangeable fin styles and two optional body tube extensions. Whether you're launching for fun or leading a classroom activity, this rocket delivers a unique hands-on learning experience every time.

Beginner-Friendly and Quick to Build

With its snap-fit construction and color-coded parts, the Mini Mod is easy to build in under an hour—making it perfect for students, first-time flyers, or weekend hobbyists. No cutting or sanding is required, and assembly is straightforward with clear step-by-step instructions included. Just grab your glue, tape, and launch supplies (sold separately), and you're ready to go.

High-Flying Fun with Streamer Recovery

Don’t let its small size fool you—the Mini Mod is capable of soaring up to 600 feet when powered by an A10-3T engine! Its lightweight design and bright streamer recovery system make it easy to spot and recover after every launch. Built from durable materials and designed to withstand repeated flights, this rocket is ready for action again and again.

Ideal for Education and Exploration

Perfect for classroom STEM programs or family rocket launches, the Mini Mod encourages creative problem-solving, modular thinking, and hands-on science exploration. Whether you're teaching rocketry basics or just looking for weekend fun, this versatile kit is a great entry point into model rocketry.

Technical Specifications
Recommended Engines
1/2A3-2T, A3-4T, A3-6T, A10-3T
Length
9 in. - 13 in. (22.9 cm - 33 cm)
Launch System
Porta-Pad II
Diameter
0.74 in. (19 mm)
Porojected Max Altitude
600 ft. (183 m)
Weight
0.7 oz. (19.8 g)
Recovery System
Streamer
Fin Material
Molded Plastic

Needed to Build (sold seperately)
Yellow Glue, Ruler, Pencil, Clear Tape
Download Instructions

This product recommended for children ages 10+ with adult supervision for those under 12, and rocketeers of all ages.

What You Need to Fly