*Open Box with no manual*The Kutoi Joint Building Block Set includes 167 interlocking toy building blocks with wheels, suitable for children ages 3 and up. This set is compatible with PLUS PLUS brand toys and features a construction skills educational objective. Made of plastic in vibrant red, green, yellow, and blue colors, these small building blocks are designed for creative play and architectural themed building experiences. The set makes a great option for young builders to develop their construction skills.