• Includes 70 model building ideas!
• 702 pieces to build a hot air balloon, boats, trucks, a sand castle and more!
• Convenient storage treasure chest to hold built figures and other K'NEX sets
• Made in the USA
• Recommended for builders ages 7+

K'nex 52 Model Building Set

• Includes 52 model building ideas!
• 600 pieces to build planes, trucks, animals and amusement rides and more!
• Convenient storage treasure chest to hold built figures and other K'NEX sets
• Made in the USA
• Recommended for builders ages 7+