Construct a Clock
This kids construction set is an ingenious way to encourage your child's cognitive development as they learn how gears work. Build a clock within 10 minutes, wind it up and watch it run for over 8 hours. No batteries required! - See more at: http://shop.australiangeographic.com.au/construct-a-clock-kids-set.html?gclid=Cj0KEQjwkv-rBRDwoMLav-This kids construction set is an ingenious way to encourage your child's cognitive development as they learn how gears work. Build a clock within 10 minutes, wind it up and watch it run for over 8 hours. No batteries required!
Item Code: HJ-2140US