Use a film canister and alka seltzer tablets to try out this explosive activity!
If you're participating in our Summer Reading program, watch this video and then enter the secret code for this week ("summer") in your account at fflib.beanstac...
For more info or to register for the program visit www.fflib.org/...
Негізгі бет Alka-Seltzer Rockets - Design and Launch Your Own Rockets!
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