LEGO Chain Reactions (Klutz Science/STEM Activity Kit), 9" …
Jan 01, 2015 · LEGO Chain Reactions is packed full of ideas, instructions, and inspiration for 10 LEGO machines that spin, swing, pivot, roll, lift, and drop. Each machine alone is awesome, but put them together and you get incredible chain reactions. Then, combine the machines in any order you like to create your own chain reactions.
DA: 1 PA: 27 MOZ Rank: 100