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KiwiCo$ 24.95
Build, aim, and launch into fun! Build an elastic-powered launcher that can swivel and fire soft foam cannonballs. Change the aim to experiment with angles and explore the science of energy. This set includes 3 cannonballs for loads of playtime.
Shop at KiwiCo paid link
KiwiCo Cannonball Launcher Science Kit | Ages 5+ | Engineering Kit For Kids
Build, aim, and launch into fun! Build an elastic-powered launcher that can swivel and fire soft foam cannonballs. Change the aim to experiment with angles and explore the science of energy. This set includes 3 cannonballs for loads of playtime.
$ 24.95 MSRP
Shop at KiwiCo paid link