What is the main age group this book is written for ?

My 10 year old daughter loves it and can use it independently. 8+ is the age recommendations on the box.

Is this set too difficult for a soon to be eight year old? He has lots of legos, and loves building with them.

An 8 year should be able to build with it. It does require a lot of your own Legos.

Does the lego classic medium creative brick box 10696 have everything i need to make all the machines?

I think you will need more. For example, the pop-up flag & falling hammer project uses 11 (2 of those included) 8x2's. One project also includes a 4 peg slope brick that I can't see in the picture of the brick box. For the pulley and bucket project, you'll need what looks like 28 4x2's (or pieces that add up to those).

It's kind of a trap, but more like build and play with lego. You build something with lego and put it together. Then you will see a chain reaction.

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⚙️ Build, innovate, and watch your ideas come alive!

ENDLESS CHAIN REACTION FUN - Mix and match 33 Lego pieces to create unique, mesmerizing sequences.
STEM LEARNING MADE PLAYFUL - Engage critical thinking and problem-solving with hands-on mechanical puzzles.
NO BATTERIES ALL BRAINPOWER - Purely mechanical—no batteries needed, just your imagination.
PERFECT FOR YOUNG INNOVATORS - Ideal for ages 8-12, inspiring the next generation of makers and thinkers.
UNLEASH CREATIVE ENGINEERING - Design and build moving machines that bring your ideas to life.

Lego Chain Reactions by Pat Murphy is a STEM-focused paperback kit featuring 33 multicolor Lego pieces designed to build moving machines and create unique chain reactions. Suitable for ages 8-12, this battery-free mechanical puzzle encourages hands-on learning and creative problem-solving.

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Product Dimensions	12.5 x 1.5 x 21 cm; 453.59 g
Manufacturer recommended age	8 - 12 years
Item model number	9780545703307
Original Release Date	2014
Educational Objective(s)	STEM
Language:	English
Number of Puzzle Pieces	1
Assembly Required	No
Batteries Required?	No
Batteries Included?	No
tech_spec_battery_description_toys	No batteries required
Material Type(s)	Plastic
Remote Control Included?	No
Color	Multicolor
Release date	15 February 2015
Language	English
ASIN	0545703301

Lego Chain Reactions by Pat Murphy - Paperback

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