[17 keys]

You can build this thumb piano with your child to develop hands-on ability and musical senses.
Features:
It contains all the components to build a complete thumb piano, and the fine workmanship of pure handmade.
Smooth surface for DIY painting, you can draw any pattern on your thumb piano.
You can enjoy the fun of DIY or make thumb piano with your kids and friends.
Unique assembly, easy to install and learn.
Specifications:
Keys: 10 keys, 17 keys (optional)
Material: Wood, Metal
Item Size:
10 keys: 6.6 x 4.9 x 1.4 inches (167 x 125 x 35 mm)
17 keys: 7.0 x 4.9 x 1.8 inches (177 x 125 x 45 mm)
Item Weight:
10 keys: 142g / 5.0oz
17 keys: 167g / 5.9oz
Package Size:
10 Keys: 7.1 x 5.1 x 1.6 inches (180 x 130 x 40 mm)
17 keys: 7.1 x 5.7 x 2.0 inches (180 x 145 x 50 mm).
Package Weight:
10 keys: 10.4oz (294g)
17 keys: 12.3oz (350g)
Note:
The keys need to be assembled by yourself.
Package Contents:
1 x Carimba
1 x Installation Kit