Flite Test PowerUp 4.0 Ez Bug Add-On Kit 75388 The inner and outer rivet

The inner and outer rivet rings need to be glued together prior to final assembly

The RPM bumper supports are designed tough

Robust and durable materials

Optimized for faster LiPo balance charging

These toy car launchers are perfect STEM toys that are fun and get your kids up and moving while they learn

Flite Test PowerUp 4.0 Ez Bug Add-On Kit 75388 The inner and outer rivetThe EZ BUG ADD ON turns your PowerUP 4. 0 into a bug like plane that conquers the skies! Designed for easy maneuverability flying with POWERUP 4. 0 AIRPLANE (not included) Lasercut 3 16" white Maker Foam sheet Very easy to build within minutes, all you will need is a standard hot glue gun Designed by Josh Bixler from FliteTest To build, you will also need: 1 X POWERUP 4. 0 AIRPLANE 1 X ADD ON INSTALLATION KIT FOR POWERUP 4. 0