Search query: b4-4 rocket engines

Product: Stomp Rocket The Original Jr. Glow Rocket Launcher, 4 Foam Rockets and Toy Air Rocket Launcher - Glows in The Dark, STEM Gift for Boys and Girls Ages 3 Years and Up - Great for Year Round Play YEAR ROUND FUN! RUN, JUMP, STOMP! Jr. Glow Stomp Rockets, toy foam Rockets that glow-in-the-dark. Get kids away from screen time and encourage active, indoor or outdoor play. High quality, built to last for hours of active fun. Perfect boy toy or girl toy for ages 3 and up.
ENCOURAGES EXERCISE! 100% KID POWERED! Excellent toy to burn off extra energy. The kit includes 4 glow in the dark toy foam rockets and an easy to set up, durable launch stand for hours of jumping and stomping. Great toy gift for boys and girls.
PROMOTES STEM LEARNING. RAISING SMARTER, HEALTHIER, HAPPIER KIDS: Get kids interested in STEM subjects (Science, Technology, Engineering, and Math). Pair this set with a Stomp Rocket Stompin' Science Book. Stomp Rockets demonstrate force, trajectory, and the power of science.
AWARD WINNING: These ORIGINAL Stomp Rockets, have won the highest praise from iParenting Media, Dr. Toy, and Creative Child Magazine. Plus, these parent-approved toy foam rockets help kids avoid screen time and encourage year-round outdoor play.
SUPER EASY, FAST ASSEMBLY: This toy rocket launcher is 100% Kid-Powered, no batteries are required. This kid-friendly air rocket launcher is built to last and has been designed to easily fold for storage and travel. Perfect for birthday and holiday gifts. Stomp Rocket Multi

Product: Estes B6-2 Engine Pack (3-Each) Includes 3 - B6-2 Engines, 3 - Starters, 4 - Starter Plugs
This engine is a standard engine designed for flights in rockets weighing less than 4.5 ounces, including the engine
Single stage engine Estes B6-2 3/Each

Product: Estes Mini Rocket Engine 1/2A3-4T Includes 4 - 1/2 A3-4T Engines, 4 - Starters, 4 - Starter Plugs
Mini engine designed for lightweight rockets
Single stage engine Estes

Product: Estes Industries Single Stage Engines; B4-4 Model Rocket Engine Total Impulse: 5.00 N-sec.
Max. Lift Weight: 3.5 oz. (99g)
Time Delay: 4 sec. Estes

Product: 1781 A8-3 ENG EDUCATOR PACK(24) Estes A8-3 24 pack