CIRCUITRY SET + + Includes 6 different experiments + + Set is modular, can create one large circuit loop or 6 small circuit loops + + Each set has an interactive component that is activated once the loop is completed ELECTRICITY KIT + + Includes 17 different experiments + + Each experiment it motorized in some way + + Each experiment uses the same pieces; only one experiment can be built at a time TOY CIRCUITRY ACTION EXPERIMENT KIT AGES 8+ CIRCUITRY SET + + Includes 6 different experiments + + Set is modular, can create one large circuit loop or 6 small circuit loops + + Each set has an interactive component that is activated once the loop is completed ELECTRICITY KIT + + Includes 17 different experiments + + Each experiment it motorized in some way + + Each experiment uses the same pieces; only one experiment can be built at a time TOY CIRCUITRY KEYBOARD EXPERIMENT KIT AGES 8+ 45 44