Lego Chain Reaction Book Travel Perfect for: this travel puzzle

Perfect for: this travel puzzle set is perfect for road trips

Measuring approximately 10mm in diameter

matte-finish box ideal for gifting and storage

or 20” lengths—perfect for layering or solo wear

Lego Chain Reaction Book Travel Perfect for: this travel puzzleLEGO Chain Reactions Book Klutz Turn your LEGO bricks into moving machines with the LEGO Chain Reactions Book from Klutz! This hands on activity set includes everything kids need to build 10 incredible machines that spin, swing, pivot, roll, lift, and drop. Each design is fun on its own, but when combined, they create spectacular chain reactions where one action sets off the next. With 33 special LEGO elements, 6 LEGO balls, and a variety of custom