Activity Worksheet Copy Master for Activity 24 / 25 - Investigating Pulleys - Set 9631

Reference

9631b20

Activity Worksheet Copy Master for Activity 24 / 25 - Investigating Pulleys - Set 9631 (part 9631b20) is a LEGO element. CollectORbuild's catalog records it in 1 set, including Simple and Motorized Machines Activity Pack.