scientific hobby activity kits comprising instruction manual, compass, battery, bulb, insulated wire, and components for constructing a pegboard, an electric switch, and an electromagnet in order to investigate the conversion of energy from one form to another

'activ':3 'anoth':37 'batteri':9 'bulb':10 'compass':8 'compon':14 'compris':5 'construct':16 'convers':30 'electr':20 'electromagnet':24 'energi':32 'form':35 'hobbi':2 'instruct':6 'insul':11 'investig':28 'kit':4 'manual':7 'one':34 'order':26 'pegboard':18 'scientif':1 'switch':21 'wire':12

SWITCHES N' NAILS

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