Lite Brix The Peanuts Movie Lemonade Stand Building Set IS THIS DIFFICULT TO PUT TOGETHER? This building blocks set is very easy to assemble. It may be challenging for the younger users but that's what is great about it! It challenges the users cognitive assembly skills helps tech them how to follow directions. HOW MANY PIECES ARE IN THIS SET? Each set has a various amount of brick block pieces that come with each set because some sets taake less peices to assemble. However, each set does come with an instruction sheet, a sticker decal sheet, an LED light block, and a character that also needs to be assembled. Some of these peices are very small so it is very important that you keep those peices out of the hands of users who are under the ages of 5. DOES THIS BUILDING SET REALLY LIGHT UP? Absoultely, this building blocks set has a built in LED lights in the light box. It does require three AAA batteries, that are not included. you also will need a phillips screw driver to open the battery pack. The lemonade stand has an ON/OFF swith so make sure you turn off the lights when it's not in use! WHO IS THIS PEANUTS BUILDING BLOCKS SET INTENDED FOR? Since the toy set does include small pieces, it is recommended for children 5 and up. Even though it might me a toy for kids, this is a great collectors item for Peanuts fans of all ages! This makes a great gift for friends, family, or even yourself! IS THIS SET COMPATIBLE WITH OTHER BUILDING BRICKS SYSTEMS? Yes, the pieces from this blocks set can be used with all the other building blocks systems.This allows you to mix and match pieces to build personal creations of your own. Make sure you collect all the sets to create your masterpeice!