GRADE 7 Kits
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Build your own Burglar Alarm or Home Alarm...
Build your own Hydraulic Crane.The kit contains all the required components for assembly, except for..
Take our famous hydraulic crane kit, and add our electromagnetkit, to change your crane into an elec..
JAWS OF LIFE GRADE 7 PROJECT - Hydraulic Principles Kit This kit will allow kids to build the "..
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