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visual perception
Learn how to detect and collect fingerprints just like a forensics expert
step-by-step instructions
mysterious creatures who avoid the light
LEGO- Chain Reactions Unicorns visual perceptionLEGO 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. Our team of experts worked with educators and kids to invent the machines, then wrote a book that teaches the skills (and some of the
