Kid-Friendly Design:The cardboard construction tools is carefully designed with rounded edges and the lightweight & anti-slip handle is optimized for children’s grip strength, allowing better control for intricate designs without fatigue. Diversified Tool Kit:138Pcs cardboard kit include 1x5.7 inch safety cutter with tool protective cover,1x 5.8 inch screw-driver,1x5.7 inch fold roller,1x safety saw,1x corn screw-driver,120 x screws,12 x 90-degree connectors and 1x tape measure. Easy to Use:This multifunctional cardboard cutter tool set is easy to cut,punch,assemble that can meet the cardboard crafting needs.Helps kids transform ordinary cardboard boxes into unique creations,such as a dream house,castles,a robot and more.Developing artistic expression and problem-solving abilities. Enjoy Carboard Fun: The cardboard tool set is ideal for family manual activities and school education & team building activities. They can use their creativity to turn cardboard boxes into amazing works with their parents and classmates together. Eco-Friendly:Encourage them to reuse cardboard,turns recycled cardboard into educational adventures!Develops fine motor skills, spatial awareness, and sustainability awareness through joyful making. This Cardboard Construction Tools Kit is a safe, educational craft set designed for kids aged 6+. Non-toxic, sharp-edge-free and child-safety certified, it’s lightweight and easy for little hands to hold—kids can play independently, no constant adult supervision needed. The set includes multiple interlocking "tools" with a snap-together design, no glue or scissors required. Kids can freely build castles, cars and more, then take them apart to rebuild or repurpose, unlocking creative play while sharpening fine motor skills, spatial thinking and cognitive abilities. Compact and easy to store, it fits family time, group activities, home use, preschools or on-the-go fun. Complete with all building tools and an idea guide, this cute, cartoon-style kit offers great value—perfect for daily play or as an educational gift.