With this STEM activity kit, you can learn about physics and motion while building and racing your own racecars. Learn about physics and how they can be affected by weight and gravity. This STEM Kit includes a guided experiment book to complete the different experiments and record your results. Details: Assorted colors 15" x 15.75" packaging size 16" x 7" racing ramp size Track your distance Teacher approved and tested Suitable for ages 8 and up Contents: 2 x 10 piece Car Sets 16 Washers 10 Bands 5 Acrylic Paints, 0.28 fl oz each 2 Sticker Sheets 2 Paint Brushes 2 Sticker Pads Glue (0.24 fl. oz.) Pop-Out Ramp Tape Measure Activity Booklet