Amazon: Knex Value Tub 400 pieces $12 + FSSS

Amazon offers its Amazon Prime members the K’NEX 400-Piece Value Tub, model no. 12077B, for $12 with free shipping. Non-members can spend $25 or more to get free shipping; otherwise it adds $5.69

Product Features

• Packed with 400 parts, including bricks, rods and connectors, for lots of open-ended building fun
• Includes ideas/instructions for 20+ models or use your own imagination
• Handy storage tub means you can take the fun with you and clean-up is easy
• For ages 7+